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Finding the Fourth Proportional to 275,275.60, 412,913.40 and 233,285.20

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Solution

The fourth proportional to 275,275.60, 412,913.40 and 233,285.20 is: 349,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,275.60 : 412,913.40 = 233,285.20 : x
  2. Step 2: Convert to fraction form
    275,275.60/412,913.40 = 233,285.20/x
  3. Step 3: Cross multiply
    275,275.60x = 412,913.40 × 233,285.20
  4. Step 4: Simplify right side
    275,275.60x = 96,326,585,101.68
  5. Step 5: Solve for x
    x = 96,326,585,101.68/275,275.60
  6. Step 6: Final answer
    x = 349,927.80

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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.