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Finding the Fourth Proportional to 532,977, 735,517.90 and 291,269.76

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Solution

The fourth proportional to 532,977, 735,517.90 and 291,269.76 is: 401,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,977 : 735,517.90 = 291,269.76 : x
  2. Step 2: Convert to fraction form
    532,977/735,517.90 = 291,269.76/x
  3. Step 3: Cross multiply
    532,977x = 735,517.90 × 291,269.76
  4. Step 4: Simplify right side
    532,977x = 214,234,122,208.70
  5. Step 5: Solve for x
    x = 214,234,122,208.70/532,977
  6. Step 6: Final answer
    x = 401,957.54

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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.