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Finding the Fourth Proportional to 622,166.60, 934,234.05 and 472,575.80

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Solution

The fourth proportional to 622,166.60, 934,234.05 and 472,575.80 is: 709,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,166.60 : 934,234.05 = 472,575.80 : x
  2. Step 2: Convert to fraction form
    622,166.60/934,234.05 = 472,575.80/x
  3. Step 3: Cross multiply
    622,166.60x = 934,234.05 × 472,575.80
  4. Step 4: Simplify right side
    622,166.60x = 441,496,403,565.99
  5. Step 5: Solve for x
    x = 441,496,403,565.99/622,166.60
  6. Step 6: Final answer
    x = 709,611.23

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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.