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Finding the Fourth Proportional to 579,248.32, 868,988.48 and 200,182.88

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Solution

The fourth proportional to 579,248.32, 868,988.48 and 200,182.88 is: 300,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,248.32 : 868,988.48 = 200,182.88 : x
  2. Step 2: Convert to fraction form
    579,248.32/868,988.48 = 200,182.88/x
  3. Step 3: Cross multiply
    579,248.32x = 868,988.48 × 200,182.88
  4. Step 4: Simplify right side
    579,248.32x = 173,956,616,613.22
  5. Step 5: Solve for x
    x = 173,956,616,613.22/579,248.32
  6. Step 6: Final answer
    x = 300,314.41

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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.