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Finding the Fourth Proportional to 631,740.38, 947,471.40 and 182,363.64

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Solution

The fourth proportional to 631,740.38, 947,471.40 and 182,363.64 is: 273,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,740.38 : 947,471.40 = 182,363.64 : x
  2. Step 2: Convert to fraction form
    631,740.38/947,471.40 = 182,363.64/x
  3. Step 3: Cross multiply
    631,740.38x = 947,471.40 × 182,363.64
  4. Step 4: Simplify right side
    631,740.38x = 172,784,333,299.90
  5. Step 5: Solve for x
    x = 172,784,333,299.90/631,740.38
  6. Step 6: Final answer
    x = 273,505.29

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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.