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Finding the Fourth Proportional to 713,606.96, 1,070,414.01 and 181,128.15

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Solution

The fourth proportional to 713,606.96, 1,070,414.01 and 181,128.15 is: 271,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,606.96 : 1,070,414.01 = 181,128.15 : x
  2. Step 2: Convert to fraction form
    713,606.96/1,070,414.01 = 181,128.15/x
  3. Step 3: Cross multiply
    713,606.96x = 1,070,414.01 × 181,128.15
  4. Step 4: Simplify right side
    713,606.96x = 193,882,109,365.38
  5. Step 5: Solve for x
    x = 193,882,109,365.38/713,606.96
  6. Step 6: Final answer
    x = 271,693.13

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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.