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Finding the Fourth Proportional to 325,008.48, 487,452.96 and 147,472.80

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Solution

The fourth proportional to 325,008.48, 487,452.96 and 147,472.80 is: 221,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,008.48 : 487,452.96 = 147,472.80 : x
  2. Step 2: Convert to fraction form
    325,008.48/487,452.96 = 147,472.80/x
  3. Step 3: Cross multiply
    325,008.48x = 487,452.96 × 147,472.80
  4. Step 4: Simplify right side
    325,008.48x = 71,886,052,879.49
  5. Step 5: Solve for x
    x = 71,886,052,879.49/325,008.48
  6. Step 6: Final answer
    x = 221,182.08

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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.