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Finding the Fourth Proportional to 349,244.36, 526,200.27 and 315,549.54

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Solution

The fourth proportional to 349,244.36, 526,200.27 and 315,549.54 is: 475,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,244.36 : 526,200.27 = 315,549.54 : x
  2. Step 2: Convert to fraction form
    349,244.36/526,200.27 = 315,549.54/x
  3. Step 3: Cross multiply
    349,244.36x = 526,200.27 × 315,549.54
  4. Step 4: Simplify right side
    349,244.36x = 166,042,251,963.07
  5. Step 5: Solve for x
    x = 166,042,251,963.07/349,244.36
  6. Step 6: Final answer
    x = 475,432.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.