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Finding the Fourth Proportional to 398,601,308.60, 597,901,962.90 and 367,033,713.20

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Solution

The fourth proportional to 398,601,308.60, 597,901,962.90 and 367,033,713.20 is: 550,550,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,308.60 : 597,901,962.90 = 367,033,713.20 : x
  2. Step 2: Convert to fraction form
    398,601,308.60/597,901,962.90 = 367,033,713.20/x
  3. Step 3: Cross multiply
    398,601,308.60x = 597,901,962.90 × 367,033,713.20
  4. Step 4: Simplify right side
    398,601,308.60x = 219,450,177,572,755,616
  5. Step 5: Solve for x
    x = 219,450,177,572,755,616/398,601,308.60
  6. Step 6: Final answer
    x = 550,550,569.80

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1.5x scale

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.