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Finding the Fourth Proportional to 368,326.68, 552,452.55 and 115,609.11

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Solution

The fourth proportional to 368,326.68, 552,452.55 and 115,609.11 is: 173,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,326.68 : 552,452.55 = 115,609.11 : x
  2. Step 2: Convert to fraction form
    368,326.68/552,452.55 = 115,609.11/x
  3. Step 3: Cross multiply
    368,326.68x = 552,452.55 × 115,609.11
  4. Step 4: Simplify right side
    368,326.68x = 63,868,547,622.73
  5. Step 5: Solve for x
    x = 63,868,547,622.73/368,326.68
  6. Step 6: Final answer
    x = 173,401.90

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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.