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Finding the Fourth Proportional to 342,949.92, 473,299.97 and 190,036.08

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Solution

The fourth proportional to 342,949.92, 473,299.97 and 190,036.08 is: 262,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,949.92 : 473,299.97 = 190,036.08 : x
  2. Step 2: Convert to fraction form
    342,949.92/473,299.97 = 190,036.08/x
  3. Step 3: Cross multiply
    342,949.92x = 473,299.97 × 190,036.08
  4. Step 4: Simplify right side
    342,949.92x = 89,944,070,962.92
  5. Step 5: Solve for x
    x = 89,944,070,962.92/342,949.92
  6. Step 6: Final answer
    x = 262,265.90

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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.