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Finding the Fourth Proportional to 332,330.31, 458,613.50 and 181,427.31

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Solution

The fourth proportional to 332,330.31, 458,613.50 and 181,427.31 is: 250,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,330.31 : 458,613.50 = 181,427.31 : x
  2. Step 2: Convert to fraction form
    332,330.31/458,613.50 = 181,427.31/x
  3. Step 3: Cross multiply
    332,330.31x = 458,613.50 × 181,427.31
  4. Step 4: Simplify right side
    332,330.31x = 83,205,012,727.55
  5. Step 5: Solve for x
    x = 83,205,012,727.55/332,330.31
  6. Step 6: Final answer
    x = 250,368.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.