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Finding the Fourth Proportional to 330,155.92, 455,615.76 and 179,252.92

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Solution

The fourth proportional to 330,155.92, 455,615.76 and 179,252.92 is: 247,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,155.92 : 455,615.76 = 179,252.92 : x
  2. Step 2: Convert to fraction form
    330,155.92/455,615.76 = 179,252.92/x
  3. Step 3: Cross multiply
    330,155.92x = 455,615.76 × 179,252.92
  4. Step 4: Simplify right side
    330,155.92x = 81,670,455,378.02
  5. Step 5: Solve for x
    x = 81,670,455,378.02/330,155.92
  6. Step 6: Final answer
    x = 247,369.35

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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.