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Finding the Fourth Proportional to 342,618.83, 472,815.06 and 185,454.71

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Solution

The fourth proportional to 342,618.83, 472,815.06 and 185,454.71 is: 255,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,618.83 : 472,815.06 = 185,454.71 : x
  2. Step 2: Convert to fraction form
    342,618.83/472,815.06 = 185,454.71/x
  3. Step 3: Cross multiply
    342,618.83x = 472,815.06 × 185,454.71
  4. Step 4: Simplify right side
    342,618.83x = 87,685,777,471.86
  5. Step 5: Solve for x
    x = 87,685,777,471.86/342,618.83
  6. Step 6: Final answer
    x = 255,928.08

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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.