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Finding the Fourth Proportional to 463,506.52, 639,638.96 and 251,538.52

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Solution

The fourth proportional to 463,506.52, 639,638.96 and 251,538.52 is: 347,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,506.52 : 639,638.96 = 251,538.52 : x
  2. Step 2: Convert to fraction form
    463,506.52/639,638.96 = 251,538.52/x
  3. Step 3: Cross multiply
    463,506.52x = 639,638.96 × 251,538.52
  4. Step 4: Simplify right side
    463,506.52x = 160,893,837,332.74
  5. Step 5: Solve for x
    x = 160,893,837,332.74/463,506.52
  6. Step 6: Final answer
    x = 347,123.14

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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.