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Finding the Fourth Proportional to 294,382.40, 441,631.20 and 125,902.40

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Solution

The fourth proportional to 294,382.40, 441,631.20 and 125,902.40 is: 188,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,382.40 : 441,631.20 = 125,902.40 : x
  2. Step 2: Convert to fraction form
    294,382.40/441,631.20 = 125,902.40/x
  3. Step 3: Cross multiply
    294,382.40x = 441,631.20 × 125,902.40
  4. Step 4: Simplify right side
    294,382.40x = 55,602,427,994.88
  5. Step 5: Solve for x
    x = 55,602,427,994.88/294,382.40
  6. Step 6: Final answer
    x = 188,878.23

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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.