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Finding the Fourth Proportional to 500,517.30, 749,791.80 and 465,087.90

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Solution

The fourth proportional to 500,517.30, 749,791.80 and 465,087.90 is: 696,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,517.30 : 749,791.80 = 465,087.90 : x
  2. Step 2: Convert to fraction form
    500,517.30/749,791.80 = 465,087.90/x
  3. Step 3: Cross multiply
    500,517.30x = 749,791.80 × 465,087.90
  4. Step 4: Simplify right side
    500,517.30x = 348,719,093,699.22
  5. Step 5: Solve for x
    x = 348,719,093,699.22/500,517.30
  6. Step 6: Final answer
    x = 696,717.36

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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.