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Finding the Fourth Proportional to 318,039.24, 477,117.24 and 104,819.76

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Solution

The fourth proportional to 318,039.24, 477,117.24 and 104,819.76 is: 157,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,039.24 : 477,117.24 = 104,819.76 : x
  2. Step 2: Convert to fraction form
    318,039.24/477,117.24 = 104,819.76/x
  3. Step 3: Cross multiply
    318,039.24x = 477,117.24 × 104,819.76
  4. Step 4: Simplify right side
    318,039.24x = 50,011,314,588.66
  5. Step 5: Solve for x
    x = 50,011,314,588.66/318,039.24
  6. Step 6: Final answer
    x = 157,248.88

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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.