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Finding the Fourth Proportional to 425,010.32, 586,516.40 and 243,729.08

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Solution

The fourth proportional to 425,010.32, 586,516.40 and 243,729.08 is: 336,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,010.32 : 586,516.40 = 243,729.08 : x
  2. Step 2: Convert to fraction form
    425,010.32/586,516.40 = 243,729.08/x
  3. Step 3: Cross multiply
    425,010.32x = 586,516.40 × 243,729.08
  4. Step 4: Simplify right side
    425,010.32x = 142,951,102,576.91
  5. Step 5: Solve for x
    x = 142,951,102,576.91/425,010.32
  6. Step 6: Final answer
    x = 336,347.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.