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Finding the Fourth Proportional to 425,304.55, 637,935.63 and 159,045.49

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Solution

The fourth proportional to 425,304.55, 637,935.63 and 159,045.49 is: 238,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,304.55 : 637,935.63 = 159,045.49 : x
  2. Step 2: Convert to fraction form
    425,304.55/637,935.63 = 159,045.49/x
  3. Step 3: Cross multiply
    425,304.55x = 637,935.63 × 159,045.49
  4. Step 4: Simplify right side
    425,304.55x = 101,460,784,861.81
  5. Step 5: Solve for x
    x = 101,460,784,861.81/425,304.55
  6. Step 6: Final answer
    x = 238,560.31

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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.