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Finding the Fourth Proportional to 474,462.35, 711,693.53 and 453,985.55

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Solution

The fourth proportional to 474,462.35, 711,693.53 and 453,985.55 is: 680,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,462.35 : 711,693.53 = 453,985.55 : x
  2. Step 2: Convert to fraction form
    474,462.35/711,693.53 = 453,985.55/x
  3. Step 3: Cross multiply
    474,462.35x = 711,693.53 × 453,985.55
  4. Step 4: Simplify right side
    474,462.35x = 323,098,576,378.56
  5. Step 5: Solve for x
    x = 323,098,576,378.56/474,462.35
  6. Step 6: Final answer
    x = 680,978.33

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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.