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Finding the Fourth Proportional to 579,114.80, 868,801.80 and 224,097.20

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Solution

The fourth proportional to 579,114.80, 868,801.80 and 224,097.20 is: 336,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,114.80 : 868,801.80 = 224,097.20 : x
  2. Step 2: Convert to fraction form
    579,114.80/868,801.80 = 224,097.20/x
  3. Step 3: Cross multiply
    579,114.80x = 868,801.80 × 224,097.20
  4. Step 4: Simplify right side
    579,114.80x = 194,696,050,734.96
  5. Step 5: Solve for x
    x = 194,696,050,734.96/579,114.80
  6. Step 6: Final answer
    x = 336,195.95

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Double scale
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Similar ratio
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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.