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Finding the Fourth Proportional to 579,225.60, 868,903.20 and 179,863.20

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Solution

The fourth proportional to 579,225.60, 868,903.20 and 179,863.20 is: 269,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,225.60 : 868,903.20 = 179,863.20 : x
  2. Step 2: Convert to fraction form
    579,225.60/868,903.20 = 179,863.20/x
  3. Step 3: Cross multiply
    579,225.60x = 868,903.20 × 179,863.20
  4. Step 4: Simplify right side
    579,225.60x = 156,283,710,042.24
  5. Step 5: Solve for x
    x = 156,283,710,042.24/579,225.60
  6. Step 6: Final answer
    x = 269,814.92

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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.