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Finding the Fourth Proportional to 573,429.33, 860,165.87 and 292,618.53

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Solution

The fourth proportional to 573,429.33, 860,165.87 and 292,618.53 is: 438,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,429.33 : 860,165.87 = 292,618.53 : x
  2. Step 2: Convert to fraction form
    573,429.33/860,165.87 = 292,618.53/x
  3. Step 3: Cross multiply
    573,429.33x = 860,165.87 × 292,618.53
  4. Step 4: Simplify right side
    573,429.33x = 251,700,470,972.48
  5. Step 5: Solve for x
    x = 251,700,470,972.48/573,429.33
  6. Step 6: Final answer
    x = 438,938.96

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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.