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Finding the Fourth Proportional to 573,630.10, 860,445.15 and 363,505.30

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Solution

The fourth proportional to 573,630.10, 860,445.15 and 363,505.30 is: 545,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,630.10 : 860,445.15 = 363,505.30 : x
  2. Step 2: Convert to fraction form
    573,630.10/860,445.15 = 363,505.30/x
  3. Step 3: Cross multiply
    573,630.10x = 860,445.15 × 363,505.30
  4. Step 4: Simplify right side
    573,630.10x = 312,776,372,384.30
  5. Step 5: Solve for x
    x = 312,776,372,384.30/573,630.10
  6. Step 6: Final answer
    x = 545,257.95

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Similar ratio
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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.