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Finding the Fourth Proportional to 425,342.08, 586,972.32 and 234,353.92

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Solution

The fourth proportional to 425,342.08, 586,972.32 and 234,353.92 is: 323,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,342.08 : 586,972.32 = 234,353.92 : x
  2. Step 2: Convert to fraction form
    425,342.08/586,972.32 = 234,353.92/x
  3. Step 3: Cross multiply
    425,342.08x = 586,972.32 × 234,353.92
  4. Step 4: Simplify right side
    425,342.08x = 137,559,264,123.49
  5. Step 5: Solve for x
    x = 137,559,264,123.49/425,342.08
  6. Step 6: Final answer
    x = 323,408.55

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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.