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Finding the Fourth Proportional to 425,305.80, 637,937.51 and 159,046.74

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Solution

The fourth proportional to 425,305.80, 637,937.51 and 159,046.74 is: 238,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,305.80 : 637,937.51 = 159,046.74 : x
  2. Step 2: Convert to fraction form
    425,305.80/637,937.51 = 159,046.74/x
  3. Step 3: Cross multiply
    425,305.80x = 637,937.51 × 159,046.74
  4. Step 4: Simplify right side
    425,305.80x = 101,461,880,493.98
  5. Step 5: Solve for x
    x = 101,461,880,493.98/425,305.80
  6. Step 6: Final answer
    x = 238,562.18

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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.