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Finding the Fourth Proportional to 448,574.29, 672,746.62 and 132,957.39

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Solution

The fourth proportional to 448,574.29, 672,746.62 and 132,957.39 is: 199,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,574.29 : 672,746.62 = 132,957.39 : x
  2. Step 2: Convert to fraction form
    448,574.29/672,746.62 = 132,957.39/x
  3. Step 3: Cross multiply
    448,574.29x = 672,746.62 × 132,957.39
  4. Step 4: Simplify right side
    448,574.29x = 89,446,634,726.52
  5. Step 5: Solve for x
    x = 89,446,634,726.52/448,574.29
  6. Step 6: Final answer
    x = 199,402.05

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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.