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Finding the Fourth Proportional to 574,876.80, 862,315.20 and 294,940.80

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Solution

The fourth proportional to 574,876.80, 862,315.20 and 294,940.80 is: 442,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,876.80 : 862,315.20 = 294,940.80 : x
  2. Step 2: Convert to fraction form
    574,876.80/862,315.20 = 294,940.80/x
  3. Step 3: Cross multiply
    574,876.80x = 862,315.20 × 294,940.80
  4. Step 4: Simplify right side
    574,876.80x = 254,331,934,940.16
  5. Step 5: Solve for x
    x = 254,331,934,940.16/574,876.80
  6. Step 6: Final answer
    x = 442,411.20

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Similar ratio
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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.