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Finding the Fourth Proportional to 293,990.40, 441,043.20 and 125,510.40

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Solution

The fourth proportional to 293,990.40, 441,043.20 and 125,510.40 is: 188,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,990.40 : 441,043.20 = 125,510.40 : x
  2. Step 2: Convert to fraction form
    293,990.40/441,043.20 = 125,510.40/x
  3. Step 3: Cross multiply
    293,990.40x = 441,043.20 × 125,510.40
  4. Step 4: Simplify right side
    293,990.40x = 55,355,508,449.28
  5. Step 5: Solve for x
    x = 55,355,508,449.28/293,990.40
  6. Step 6: Final answer
    x = 188,290.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.