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Finding the Fourth Proportional to 315,364.52, 435,252.86 and 200,523.44

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Solution

The fourth proportional to 315,364.52, 435,252.86 and 200,523.44 is: 276,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,364.52 : 435,252.86 = 200,523.44 : x
  2. Step 2: Convert to fraction form
    315,364.52/435,252.86 = 200,523.44/x
  3. Step 3: Cross multiply
    315,364.52x = 435,252.86 × 200,523.44
  4. Step 4: Simplify right side
    315,364.52x = 87,278,402,346.48
  5. Step 5: Solve for x
    x = 87,278,402,346.48/315,364.52
  6. Step 6: Final answer
    x = 276,754.04

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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.