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Finding the Fourth Proportional to 551,470.40, 827,205.60 and 235,959.20

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Solution

The fourth proportional to 551,470.40, 827,205.60 and 235,959.20 is: 353,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,470.40 : 827,205.60 = 235,959.20 : x
  2. Step 2: Convert to fraction form
    551,470.40/827,205.60 = 235,959.20/x
  3. Step 3: Cross multiply
    551,470.40x = 827,205.60 × 235,959.20
  4. Step 4: Simplify right side
    551,470.40x = 195,186,771,611.52
  5. Step 5: Solve for x
    x = 195,186,771,611.52/551,470.40
  6. Step 6: Final answer
    x = 353,938.80

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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.