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Finding the Fourth Proportional to 241,490.40, 362,284.20 and 83,686.20

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Solution

The fourth proportional to 241,490.40, 362,284.20 and 83,686.20 is: 125,546.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,490.40 : 362,284.20 = 83,686.20 : x
  2. Step 2: Convert to fraction form
    241,490.40/362,284.20 = 83,686.20/x
  3. Step 3: Cross multiply
    241,490.40x = 362,284.20 × 83,686.20
  4. Step 4: Simplify right side
    241,490.40x = 30,318,188,018.04
  5. Step 5: Solve for x
    x = 30,318,188,018.04/241,490.40
  6. Step 6: Final answer
    x = 125,546.14

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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.