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Finding the Fourth Proportional to 482,166.75, 723,250.13 and 186,678.75

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Solution

The fourth proportional to 482,166.75, 723,250.13 and 186,678.75 is: 280,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,166.75 : 723,250.13 = 186,678.75 : x
  2. Step 2: Convert to fraction form
    482,166.75/723,250.13 = 186,678.75/x
  3. Step 3: Cross multiply
    482,166.75x = 723,250.13 × 186,678.75
  4. Step 4: Simplify right side
    482,166.75x = 135,015,429,272.34
  5. Step 5: Solve for x
    x = 135,015,429,272.34/482,166.75
  6. Step 6: Final answer
    x = 280,018.13

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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.