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Finding the Fourth Proportional to 238,818.40, 358,227.60 and 168,834.40

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Solution

The fourth proportional to 238,818.40, 358,227.60 and 168,834.40 is: 253,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,818.40 : 358,227.60 = 168,834.40 : x
  2. Step 2: Convert to fraction form
    238,818.40/358,227.60 = 168,834.40/x
  3. Step 3: Cross multiply
    238,818.40x = 358,227.60 × 168,834.40
  4. Step 4: Simplify right side
    238,818.40x = 60,481,141,909.44
  5. Step 5: Solve for x
    x = 60,481,141,909.44/238,818.40
  6. Step 6: Final answer
    x = 253,251.60

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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.