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Finding the Fourth Proportional to 526,959.57, 727,204.34 and 285,241.40

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Solution

The fourth proportional to 526,959.57, 727,204.34 and 285,241.40 is: 393,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,959.57 : 727,204.34 = 285,241.40 : x
  2. Step 2: Convert to fraction form
    526,959.57/727,204.34 = 285,241.40/x
  3. Step 3: Cross multiply
    526,959.57x = 727,204.34 × 285,241.40
  4. Step 4: Simplify right side
    526,959.57x = 207,428,784,027.68
  5. Step 5: Solve for x
    x = 207,428,784,027.68/526,959.57
  6. Step 6: Final answer
    x = 393,633.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.