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Finding the Fourth Proportional to 532,560,337.80, 798,840,506.70 and 403,420,174.80

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Solution

The fourth proportional to 532,560,337.80, 798,840,506.70 and 403,420,174.80 is: 605,130,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,560,337.80 : 798,840,506.70 = 403,420,174.80 : x
  2. Step 2: Convert to fraction form
    532,560,337.80/798,840,506.70 = 403,420,174.80/x
  3. Step 3: Cross multiply
    532,560,337.80x = 798,840,506.70 × 403,420,174.80
  4. Step 4: Simplify right side
    532,560,337.80x = 322,268,376,850,234,624
  5. Step 5: Solve for x
    x = 322,268,376,850,234,624/532,560,337.80
  6. Step 6: Final answer
    x = 605,130,262.20

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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.