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Finding the Fourth Proportional to 361,754,327.80, 542,631,491.70 and 224,004,820.60

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Solution

The fourth proportional to 361,754,327.80, 542,631,491.70 and 224,004,820.60 is: 336,007,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,754,327.80 : 542,631,491.70 = 224,004,820.60 : x
  2. Step 2: Convert to fraction form
    361,754,327.80/542,631,491.70 = 224,004,820.60/x
  3. Step 3: Cross multiply
    361,754,327.80x = 542,631,491.70 × 224,004,820.60
  4. Step 4: Simplify right side
    361,754,327.80x = 121,552,069,950,168,896
  5. Step 5: Solve for x
    x = 121,552,069,950,168,896/361,754,327.80
  6. Step 6: Final answer
    x = 336,007,230.90

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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.