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Finding the Fourth Proportional to 544,012.20, 816,095.10 and 169,996.20

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Solution

The fourth proportional to 544,012.20, 816,095.10 and 169,996.20 is: 255,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,012.20 : 816,095.10 = 169,996.20 : x
  2. Step 2: Convert to fraction form
    544,012.20/816,095.10 = 169,996.20/x
  3. Step 3: Cross multiply
    544,012.20x = 816,095.10 × 169,996.20
  4. Step 4: Simplify right side
    544,012.20x = 138,733,065,838.62
  5. Step 5: Solve for x
    x = 138,733,065,838.62/544,012.20
  6. Step 6: Final answer
    x = 255,018.30

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Half scale
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Double scale
Find fourth proportional to 544,013.20, 816,096.60 and 169,997.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.