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Finding the Fourth Proportional to 574,573.20, 861,859.80 and 200,547.60

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Solution

The fourth proportional to 574,573.20, 861,859.80 and 200,547.60 is: 300,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,573.20 : 861,859.80 = 200,547.60 : x
  2. Step 2: Convert to fraction form
    574,573.20/861,859.80 = 200,547.60/x
  3. Step 3: Cross multiply
    574,573.20x = 861,859.80 × 200,547.60
  4. Step 4: Simplify right side
    574,573.20x = 172,843,914,426.48
  5. Step 5: Solve for x
    x = 172,843,914,426.48/574,573.20
  6. Step 6: Final answer
    x = 300,821.40

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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.