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Finding the Fourth Proportional to 425,411.49, 587,040.11 and 234,424.83

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Solution

The fourth proportional to 425,411.49, 587,040.11 and 234,424.83 is: 323,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,411.49 : 587,040.11 = 234,424.83 : x
  2. Step 2: Convert to fraction form
    425,411.49/587,040.11 = 234,424.83/x
  3. Step 3: Cross multiply
    425,411.49x = 587,040.11 × 234,424.83
  4. Step 4: Simplify right side
    425,411.49x = 137,616,779,898.30
  5. Step 5: Solve for x
    x = 137,616,779,898.30/425,411.49
  6. Step 6: Final answer
    x = 323,490.98

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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.