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Finding the Fourth Proportional to 473,272.89, 653,143.05 and 258,432.90

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Solution

The fourth proportional to 473,272.89, 653,143.05 and 258,432.90 is: 356,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,272.89 : 653,143.05 = 258,432.90 : x
  2. Step 2: Convert to fraction form
    473,272.89/653,143.05 = 258,432.90/x
  3. Step 3: Cross multiply
    473,272.89x = 653,143.05 × 258,432.90
  4. Step 4: Simplify right side
    473,272.89x = 168,793,652,526.35
  5. Step 5: Solve for x
    x = 168,793,652,526.35/473,272.89
  6. Step 6: Final answer
    x = 356,651.85

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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.