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Finding the Fourth Proportional to 573,113.60, 860,059.20 and 372,946.40

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Solution

The fourth proportional to 573,113.60, 860,059.20 and 372,946.40 is: 559,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,113.60 : 860,059.20 = 372,946.40 : x
  2. Step 2: Convert to fraction form
    573,113.60/860,059.20 = 372,946.40/x
  3. Step 3: Cross multiply
    573,113.60x = 860,059.20 × 372,946.40
  4. Step 4: Simplify right side
    573,113.60x = 320,755,982,426.88
  5. Step 5: Solve for x
    x = 320,755,982,426.88/573,113.60
  6. Step 6: Final answer
    x = 559,672.61

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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.