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Finding the Fourth Proportional to 482,689,332.80, 724,033,999.20 and 175,991,451.20

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Solution

The fourth proportional to 482,689,332.80, 724,033,999.20 and 175,991,451.20 is: 263,987,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,689,332.80 : 724,033,999.20 = 175,991,451.20 : x
  2. Step 2: Convert to fraction form
    482,689,332.80/724,033,999.20 = 175,991,451.20/x
  3. Step 3: Cross multiply
    482,689,332.80x = 724,033,999.20 × 175,991,451.20
  4. Step 4: Simplify right side
    482,689,332.80x = 127,423,794,237,347,632
  5. Step 5: Solve for x
    x = 127,423,794,237,347,632/482,689,332.80
  6. Step 6: Final answer
    x = 263,987,176.80

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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.