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Finding the Fourth Proportional to 448,313.04, 672,471.72 and 132,775.92

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Solution

The fourth proportional to 448,313.04, 672,471.72 and 132,775.92 is: 199,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,313.04 : 672,471.72 = 132,775.92 : x
  2. Step 2: Convert to fraction form
    448,313.04/672,471.72 = 132,775.92/x
  3. Step 3: Cross multiply
    448,313.04x = 672,471.72 × 132,775.92
  4. Step 4: Simplify right side
    448,313.04x = 89,288,051,296.98
  5. Step 5: Solve for x
    x = 89,288,051,296.98/448,313.04
  6. Step 6: Final answer
    x = 199,164.52

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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.