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Finding the Fourth Proportional to 448,565.26, 672,977.76 and 133,029.76

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Solution

The fourth proportional to 448,565.26, 672,977.76 and 133,029.76 is: 199,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,565.26 : 672,977.76 = 133,029.76 : x
  2. Step 2: Convert to fraction form
    448,565.26/672,977.76 = 133,029.76/x
  3. Step 3: Cross multiply
    448,565.26x = 672,977.76 × 133,029.76
  4. Step 4: Simplify right side
    448,565.26x = 89,526,069,898.14
  5. Step 5: Solve for x
    x = 89,526,069,898.14/448,565.26
  6. Step 6: Final answer
    x = 199,583.16

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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.