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Finding the Fourth Proportional to 573,001,520.80, 858,226,822.80 and 496,474,016.80

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Solution

The fourth proportional to 573,001,520.80, 858,226,822.80 and 496,474,016.80 is: 743,605,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,001,520.80 : 858,226,822.80 = 496,474,016.80 : x
  2. Step 2: Convert to fraction form
    573,001,520.80/858,226,822.80 = 496,474,016.80/x
  3. Step 3: Cross multiply
    573,001,520.80x = 858,226,822.80 × 496,474,016.80
  4. Step 4: Simplify right side
    573,001,520.80x = 426,087,318,041,017,792
  5. Step 5: Solve for x
    x = 426,087,318,041,017,792/573,001,520.80
  6. Step 6: Final answer
    x = 743,605,911.28

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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.