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Finding the Fourth Proportional to 448,599.32, 672,935.43 and 133,055.32

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Solution

The fourth proportional to 448,599.32, 672,935.43 and 133,055.32 is: 199,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,599.32 : 672,935.43 = 133,055.32 : x
  2. Step 2: Convert to fraction form
    448,599.32/672,935.43 = 133,055.32/x
  3. Step 3: Cross multiply
    448,599.32x = 672,935.43 × 133,055.32
  4. Step 4: Simplify right side
    448,599.32x = 89,537,635,613.31
  5. Step 5: Solve for x
    x = 89,537,635,613.31/448,599.32
  6. Step 6: Final answer
    x = 199,593.78

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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.