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Finding the Fourth Proportional to 318,053.96, 477,140.03 and 104,836.83

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Solution

The fourth proportional to 318,053.96, 477,140.03 and 104,836.83 is: 157,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,053.96 : 477,140.03 = 104,836.83 : x
  2. Step 2: Convert to fraction form
    318,053.96/477,140.03 = 104,836.83/x
  3. Step 3: Cross multiply
    318,053.96x = 477,140.03 × 104,836.83
  4. Step 4: Simplify right side
    318,053.96x = 50,021,847,687.12
  5. Step 5: Solve for x
    x = 50,021,847,687.12/318,053.96
  6. Step 6: Final answer
    x = 157,274.72

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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.