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Finding the Fourth Proportional to 573,816.60, 860,724.90 and 474,089.40

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Solution

The fourth proportional to 573,816.60, 860,724.90 and 474,089.40 is: 711,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,816.60 : 860,724.90 = 474,089.40 : x
  2. Step 2: Convert to fraction form
    573,816.60/860,724.90 = 474,089.40/x
  3. Step 3: Cross multiply
    573,816.60x = 860,724.90 × 474,089.40
  4. Step 4: Simplify right side
    573,816.60x = 408,060,551,406.06
  5. Step 5: Solve for x
    x = 408,060,551,406.06/573,816.60
  6. Step 6: Final answer
    x = 711,134.10

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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.