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Finding the Fourth Proportional to 218,880.49, 328,296.12 and 58,968.24

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Solution

The fourth proportional to 218,880.49, 328,296.12 and 58,968.24 is: 88,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,880.49 : 328,296.12 = 58,968.24 : x
  2. Step 2: Convert to fraction form
    218,880.49/328,296.12 = 58,968.24/x
  3. Step 3: Cross multiply
    218,880.49x = 328,296.12 × 58,968.24
  4. Step 4: Simplify right side
    218,880.49x = 19,359,045,215.97
  5. Step 5: Solve for x
    x = 19,359,045,215.97/218,880.49
  6. Step 6: Final answer
    x = 88,445.73

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1.5x scale

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.