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Finding the Fourth Proportional to 573,729.60, 860,594.40 and 474,002.40

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Solution

The fourth proportional to 573,729.60, 860,594.40 and 474,002.40 is: 711,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,729.60 : 860,594.40 = 474,002.40 : x
  2. Step 2: Convert to fraction form
    573,729.60/860,594.40 = 474,002.40/x
  3. Step 3: Cross multiply
    573,729.60x = 860,594.40 × 474,002.40
  4. Step 4: Simplify right side
    573,729.60x = 407,923,811,026.56
  5. Step 5: Solve for x
    x = 407,923,811,026.56/573,729.60
  6. Step 6: Final answer
    x = 711,003.60

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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.