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Finding the Fourth Proportional to 467,123.70, 700,685.55 and 458,266.35

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Solution

The fourth proportional to 467,123.70, 700,685.55 and 458,266.35 is: 687,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,123.70 : 700,685.55 = 458,266.35 : x
  2. Step 2: Convert to fraction form
    467,123.70/700,685.55 = 458,266.35/x
  3. Step 3: Cross multiply
    467,123.70x = 700,685.55 × 458,266.35
  4. Step 4: Simplify right side
    467,123.70x = 321,100,609,496.24
  5. Step 5: Solve for x
    x = 321,100,609,496.24/467,123.70
  6. Step 6: Final answer
    x = 687,399.53

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Similar ratio
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1.5x scale

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.