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Finding the Fourth Proportional to 602,901.12, 904,507.20 and 270,606.72

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Solution

The fourth proportional to 602,901.12, 904,507.20 and 270,606.72 is: 405,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,901.12 : 904,507.20 = 270,606.72 : x
  2. Step 2: Convert to fraction form
    602,901.12/904,507.20 = 270,606.72/x
  3. Step 3: Cross multiply
    602,901.12x = 904,507.20 × 270,606.72
  4. Step 4: Simplify right side
    602,901.12x = 244,765,726,608.38
  5. Step 5: Solve for x
    x = 244,765,726,608.38/602,901.12
  6. Step 6: Final answer
    x = 405,979.88

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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.