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Finding the Fourth Proportional to 425,304.68, 637,935.82 and 159,045.62

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Solution

The fourth proportional to 425,304.68, 637,935.82 and 159,045.62 is: 238,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,304.68 : 637,935.82 = 159,045.62 : x
  2. Step 2: Convert to fraction form
    425,304.68/637,935.82 = 159,045.62/x
  3. Step 3: Cross multiply
    425,304.68x = 637,935.82 × 159,045.62
  4. Step 4: Simplify right side
    425,304.68x = 101,460,894,424.82
  5. Step 5: Solve for x
    x = 101,460,894,424.82/425,304.68
  6. Step 6: Final answer
    x = 238,560.50

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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.