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Finding the Fourth Proportional to 297,863.48, 411,044.28 and 170,528.24

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Solution

The fourth proportional to 297,863.48, 411,044.28 and 170,528.24 is: 235,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,863.48 : 411,044.28 = 170,528.24 : x
  2. Step 2: Convert to fraction form
    297,863.48/411,044.28 = 170,528.24/x
  3. Step 3: Cross multiply
    297,863.48x = 411,044.28 × 170,528.24
  4. Step 4: Simplify right side
    297,863.48x = 70,094,657,630.47
  5. Step 5: Solve for x
    x = 70,094,657,630.47/297,863.48
  6. Step 6: Final answer
    x = 235,324.78

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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.