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Finding the Fourth Proportional to 495,906.30, 745,414.65 and 486,575.10

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Solution

The fourth proportional to 495,906.30, 745,414.65 and 486,575.10 is: 731,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,906.30 : 745,414.65 = 486,575.10 : x
  2. Step 2: Convert to fraction form
    495,906.30/745,414.65 = 486,575.10/x
  3. Step 3: Cross multiply
    495,906.30x = 745,414.65 × 486,575.10
  4. Step 4: Simplify right side
    495,906.30x = 362,700,207,865.22
  5. Step 5: Solve for x
    x = 362,700,207,865.22/495,906.30
  6. Step 6: Final answer
    x = 731,388.59

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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.