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Finding the Fourth Proportional to 664,404.30, 996,606.45 and 465,338.70

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Solution

The fourth proportional to 664,404.30, 996,606.45 and 465,338.70 is: 698,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,404.30 : 996,606.45 = 465,338.70 : x
  2. Step 2: Convert to fraction form
    664,404.30/996,606.45 = 465,338.70/x
  3. Step 3: Cross multiply
    664,404.30x = 996,606.45 × 465,338.70
  4. Step 4: Simplify right side
    664,404.30x = 463,759,549,854.62
  5. Step 5: Solve for x
    x = 463,759,549,854.62/664,404.30
  6. Step 6: Final answer
    x = 698,008.05

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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.