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Finding the Fourth Proportional to 463,770.80, 695,656.20 and 424,890.80

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Solution

The fourth proportional to 463,770.80, 695,656.20 and 424,890.80 is: 637,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,770.80 : 695,656.20 = 424,890.80 : x
  2. Step 2: Convert to fraction form
    463,770.80/695,656.20 = 424,890.80/x
  3. Step 3: Cross multiply
    463,770.80x = 695,656.20 × 424,890.80
  4. Step 4: Simplify right side
    463,770.80x = 295,577,919,342.96
  5. Step 5: Solve for x
    x = 295,577,919,342.96/463,770.80
  6. Step 6: Final answer
    x = 637,336.20

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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.