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Finding the Fourth Proportional to 292,593.20, 439,239.78 and 174,320.24

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Solution

The fourth proportional to 292,593.20, 439,239.78 and 174,320.24 is: 261,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,593.20 : 439,239.78 = 174,320.24 : x
  2. Step 2: Convert to fraction form
    292,593.20/439,239.78 = 174,320.24/x
  3. Step 3: Cross multiply
    292,593.20x = 439,239.78 × 174,320.24
  4. Step 4: Simplify right side
    292,593.20x = 76,568,381,670.95
  5. Step 5: Solve for x
    x = 76,568,381,670.95/292,593.20
  6. Step 6: Final answer
    x = 261,688.87

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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.