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Finding the Fourth Proportional to 573,670.60, 860,505.90 and 363,545.80

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Solution

The fourth proportional to 573,670.60, 860,505.90 and 363,545.80 is: 545,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,670.60 : 860,505.90 = 363,545.80 : x
  2. Step 2: Convert to fraction form
    573,670.60/860,505.90 = 363,545.80/x
  3. Step 3: Cross multiply
    573,670.60x = 860,505.90 × 363,545.80
  4. Step 4: Simplify right side
    573,670.60x = 312,833,305,820.22
  5. Step 5: Solve for x
    x = 312,833,305,820.22/573,670.60
  6. Step 6: Final answer
    x = 545,318.70

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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.