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Finding the Fourth Proportional to 544,077.20, 816,115.80 and 189,127.10

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Solution

The fourth proportional to 544,077.20, 816,115.80 and 189,127.10 is: 283,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,077.20 : 816,115.80 = 189,127.10 : x
  2. Step 2: Convert to fraction form
    544,077.20/816,115.80 = 189,127.10/x
  3. Step 3: Cross multiply
    544,077.20x = 816,115.80 × 189,127.10
  4. Step 4: Simplify right side
    544,077.20x = 154,349,614,518.18
  5. Step 5: Solve for x
    x = 154,349,614,518.18/544,077.20
  6. Step 6: Final answer
    x = 283,690.65

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Double scale
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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.