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Finding the Fourth Proportional to 322,730.60, 445,373.95 and 179,490.71

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Solution

The fourth proportional to 322,730.60, 445,373.95 and 179,490.71 is: 247,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.60 : 445,373.95 = 179,490.71 : x
  2. Step 2: Convert to fraction form
    322,730.60/445,373.95 = 179,490.71/x
  3. Step 3: Cross multiply
    322,730.60x = 445,373.95 × 179,490.71
  4. Step 4: Simplify right side
    322,730.60x = 79,940,486,501.00
  5. Step 5: Solve for x
    x = 79,940,486,501.00/322,730.60
  6. Step 6: Final answer
    x = 247,700.36

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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.