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Finding the Fourth Proportional to 551,010.60, 826,515.90 and 471,294.45

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Solution

The fourth proportional to 551,010.60, 826,515.90 and 471,294.45 is: 706,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,010.60 : 826,515.90 = 471,294.45 : x
  2. Step 2: Convert to fraction form
    551,010.60/826,515.90 = 471,294.45/x
  3. Step 3: Cross multiply
    551,010.60x = 826,515.90 × 471,294.45
  4. Step 4: Simplify right side
    551,010.60x = 389,532,356,506.76
  5. Step 5: Solve for x
    x = 389,532,356,506.76/551,010.60
  6. Step 6: Final answer
    x = 706,941.68

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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.