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Finding the Fourth Proportional to 482,661,311.80, 723,991,967.70 and 175,963,430.20

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Solution

The fourth proportional to 482,661,311.80, 723,991,967.70 and 175,963,430.20 is: 263,945,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,661,311.80 : 723,991,967.70 = 175,963,430.20 : x
  2. Step 2: Convert to fraction form
    482,661,311.80/723,991,967.70 = 175,963,430.20/x
  3. Step 3: Cross multiply
    482,661,311.80x = 723,991,967.70 × 175,963,430.20
  4. Step 4: Simplify right side
    482,661,311.80x = 127,396,110,073,739,600
  5. Step 5: Solve for x
    x = 127,396,110,073,739,600/482,661,311.80
  6. Step 6: Final answer
    x = 263,945,145.30

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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.