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Finding the Fourth Proportional to 318,326.40, 439,301.16 and 175,097.52

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Solution

The fourth proportional to 318,326.40, 439,301.16 and 175,097.52 is: 241,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,326.40 : 439,301.16 = 175,097.52 : x
  2. Step 2: Convert to fraction form
    318,326.40/439,301.16 = 175,097.52/x
  3. Step 3: Cross multiply
    318,326.40x = 439,301.16 × 175,097.52
  4. Step 4: Simplify right side
    318,326.40x = 76,920,543,649.12
  5. Step 5: Solve for x
    x = 76,920,543,649.12/318,326.40
  6. Step 6: Final answer
    x = 241,640.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.