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Finding the Fourth Proportional to 489,167.10, 733,750.65 and 173,655.90

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Solution

The fourth proportional to 489,167.10, 733,750.65 and 173,655.90 is: 260,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,167.10 : 733,750.65 = 173,655.90 : x
  2. Step 2: Convert to fraction form
    489,167.10/733,750.65 = 173,655.90/x
  3. Step 3: Cross multiply
    489,167.10x = 733,750.65 × 173,655.90
  4. Step 4: Simplify right side
    489,167.10x = 127,420,129,501.34
  5. Step 5: Solve for x
    x = 127,420,129,501.34/489,167.10
  6. Step 6: Final answer
    x = 260,483.85

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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.