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Finding the Fourth Proportional to 438,170.32, 604,127.19 and 365,677.48

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Solution

The fourth proportional to 438,170.32, 604,127.19 and 365,677.48 is: 504,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,170.32 : 604,127.19 = 365,677.48 : x
  2. Step 2: Convert to fraction form
    438,170.32/604,127.19 = 365,677.48/x
  3. Step 3: Cross multiply
    438,170.32x = 604,127.19 × 365,677.48
  4. Step 4: Simplify right side
    438,170.32x = 220,915,708,438.68
  5. Step 5: Solve for x
    x = 220,915,708,438.68/438,170.32
  6. Step 6: Final answer
    x = 504,177.71

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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.