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Finding the Fourth Proportional to 318,806.52, 439,955.88 and 175,567.14

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Solution

The fourth proportional to 318,806.52, 439,955.88 and 175,567.14 is: 242,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,806.52 : 439,955.88 = 175,567.14 : x
  2. Step 2: Convert to fraction form
    318,806.52/439,955.88 = 175,567.14/x
  3. Step 3: Cross multiply
    318,806.52x = 439,955.88 × 175,567.14
  4. Step 4: Simplify right side
    318,806.52x = 77,241,795,577.78
  5. Step 5: Solve for x
    x = 77,241,795,577.78/318,806.52
  6. Step 6: Final answer
    x = 242,284.24

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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.