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Finding the Fourth Proportional to 531,397.89, 797,286.96 and 227,664.48

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Solution

The fourth proportional to 531,397.89, 797,286.96 and 227,664.48 is: 341,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,397.89 : 797,286.96 = 227,664.48 : x
  2. Step 2: Convert to fraction form
    531,397.89/797,286.96 = 227,664.48/x
  3. Step 3: Cross multiply
    531,397.89x = 797,286.96 × 227,664.48
  4. Step 4: Simplify right side
    531,397.89x = 181,513,921,159.18
  5. Step 5: Solve for x
    x = 181,513,921,159.18/531,397.89
  6. Step 6: Final answer
    x = 341,578.17

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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.