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Finding the Fourth Proportional to 318,517.44, 439,543.04 and 175,264.08

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Solution

The fourth proportional to 318,517.44, 439,543.04 and 175,264.08 is: 241,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,517.44 : 439,543.04 = 175,264.08 : x
  2. Step 2: Convert to fraction form
    318,517.44/439,543.04 = 175,264.08/x
  3. Step 3: Cross multiply
    318,517.44x = 439,543.04 × 175,264.08
  4. Step 4: Simplify right side
    318,517.44x = 77,036,106,526.00
  5. Step 5: Solve for x
    x = 77,036,106,526.00/318,517.44
  6. Step 6: Final answer
    x = 241,858.36

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Why These Related Problems?

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