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Finding the Fourth Proportional to 425,029.94, 586,541.31 and 234,042.87

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Solution

The fourth proportional to 425,029.94, 586,541.31 and 234,042.87 is: 322,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,029.94 : 586,541.31 = 234,042.87 : x
  2. Step 2: Convert to fraction form
    425,029.94/586,541.31 = 234,042.87/x
  3. Step 3: Cross multiply
    425,029.94x = 586,541.31 × 234,042.87
  4. Step 4: Simplify right side
    425,029.94x = 137,275,811,565.96
  5. Step 5: Solve for x
    x = 137,275,811,565.96/425,029.94
  6. Step 6: Final answer
    x = 322,979.16

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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.