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Finding the Fourth Proportional to 353,348.92, 487,624.08 and 192,205.36

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Solution

The fourth proportional to 353,348.92, 487,624.08 and 192,205.36 is: 265,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,348.92 : 487,624.08 = 192,205.36 : x
  2. Step 2: Convert to fraction form
    353,348.92/487,624.08 = 192,205.36/x
  3. Step 3: Cross multiply
    353,348.92x = 487,624.08 × 192,205.36
  4. Step 4: Simplify right side
    353,348.92x = 93,723,961,841.07
  5. Step 5: Solve for x
    x = 93,723,961,841.07/353,348.92
  6. Step 6: Final answer
    x = 265,244.79

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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.