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Finding the Fourth Proportional to 579,218.80, 868,309.80 and 224,114.80

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Solution

The fourth proportional to 579,218.80, 868,309.80 and 224,114.80 is: 335,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,218.80 : 868,309.80 = 224,114.80 : x
  2. Step 2: Convert to fraction form
    579,218.80/868,309.80 = 224,114.80/x
  3. Step 3: Cross multiply
    579,218.80x = 868,309.80 × 224,114.80
  4. Step 4: Simplify right side
    579,218.80x = 194,601,077,165.04
  5. Step 5: Solve for x
    x = 194,601,077,165.04/579,218.80
  6. Step 6: Final answer
    x = 335,971.62

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Double scale
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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.