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Finding the Fourth Proportional to 472,404.80, 708,607.20 and 465,770.90

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Solution

The fourth proportional to 472,404.80, 708,607.20 and 465,770.90 is: 698,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404.80 : 708,607.20 = 465,770.90 : x
  2. Step 2: Convert to fraction form
    472,404.80/708,607.20 = 465,770.90/x
  3. Step 3: Cross multiply
    472,404.80x = 708,607.20 × 465,770.90
  4. Step 4: Simplify right side
    472,404.80x = 330,048,613,290.48
  5. Step 5: Solve for x
    x = 330,048,613,290.48/472,404.80
  6. Step 6: Final answer
    x = 698,656.35

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Similar ratio
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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.