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Finding the Fourth Proportional to 293,993.40, 441,047.70 and 125,513.40

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Solution

The fourth proportional to 293,993.40, 441,047.70 and 125,513.40 is: 188,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,993.40 : 441,047.70 = 125,513.40 : x
  2. Step 2: Convert to fraction form
    293,993.40/441,047.70 = 125,513.40/x
  3. Step 3: Cross multiply
    293,993.40x = 441,047.70 × 125,513.40
  4. Step 4: Simplify right side
    293,993.40x = 55,357,396,389.18
  5. Step 5: Solve for x
    x = 55,357,396,389.18/293,993.40
  6. Step 6: Final answer
    x = 188,294.69

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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.