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Finding the Fourth Proportional to 532,235,101.20, 798,352,651.80 and 454,300,918.80

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Solution

The fourth proportional to 532,235,101.20, 798,352,651.80 and 454,300,918.80 is: 681,451,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,235,101.20 : 798,352,651.80 = 454,300,918.80 : x
  2. Step 2: Convert to fraction form
    532,235,101.20/798,352,651.80 = 454,300,918.80/x
  3. Step 3: Cross multiply
    532,235,101.20x = 798,352,651.80 × 454,300,918.80
  4. Step 4: Simplify right side
    532,235,101.20x = 362,692,343,239,156,480
  5. Step 5: Solve for x
    x = 362,692,343,239,156,480/532,235,101.20
  6. Step 6: Final answer
    x = 681,451,378.20

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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.