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Finding the Fourth Proportional to 244,305.60, 366,458.40 and 86,513.55

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Solution

The fourth proportional to 244,305.60, 366,458.40 and 86,513.55 is: 129,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,305.60 : 366,458.40 = 86,513.55 : x
  2. Step 2: Convert to fraction form
    244,305.60/366,458.40 = 86,513.55/x
  3. Step 3: Cross multiply
    244,305.60x = 366,458.40 × 86,513.55
  4. Step 4: Simplify right side
    244,305.60x = 31,703,617,111.32
  5. Step 5: Solve for x
    x = 31,703,617,111.32/244,305.60
  6. Step 6: Final answer
    x = 129,770.33

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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.