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Finding the Fourth Proportional to 605,691,502.80, 906,447,065.40 and 363,528,200.40

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Solution

The fourth proportional to 605,691,502.80, 906,447,065.40 and 363,528,200.40 is: 544,037,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,691,502.80 : 906,447,065.40 = 363,528,200.40 : x
  2. Step 2: Convert to fraction form
    605,691,502.80/906,447,065.40 = 363,528,200.40/x
  3. Step 3: Cross multiply
    605,691,502.80x = 906,447,065.40 × 363,528,200.40
  4. Step 4: Simplify right side
    605,691,502.80x = 329,519,070,442,723,072
  5. Step 5: Solve for x
    x = 329,519,070,442,723,072/605,691,502.80
  6. Step 6: Final answer
    x = 544,037,796.34

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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.