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Finding the Fourth Proportional to 696,522.88, 959,854.08 and 469,774.72

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Solution

The fourth proportional to 696,522.88, 959,854.08 and 469,774.72 is: 647,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,522.88 : 959,854.08 = 469,774.72 : x
  2. Step 2: Convert to fraction form
    696,522.88/959,854.08 = 469,774.72/x
  3. Step 3: Cross multiply
    696,522.88x = 959,854.08 × 469,774.72
  4. Step 4: Simplify right side
    696,522.88x = 450,915,181,672.86
  5. Step 5: Solve for x
    x = 450,915,181,672.86/696,522.88
  6. Step 6: Final answer
    x = 647,380.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.