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Finding the Fourth Proportional to 332,045.16, 458,220.15 and 188,805.20

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Solution

The fourth proportional to 332,045.16, 458,220.15 and 188,805.20 is: 260,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,045.16 : 458,220.15 = 188,805.20 : x
  2. Step 2: Convert to fraction form
    332,045.16/458,220.15 = 188,805.20/x
  3. Step 3: Cross multiply
    332,045.16x = 458,220.15 × 188,805.20
  4. Step 4: Simplify right side
    332,045.16x = 86,514,344,773.68
  5. Step 5: Solve for x
    x = 86,514,344,773.68/332,045.16
  6. Step 6: Final answer
    x = 260,549.93

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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.