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Finding the Fourth Proportional to 282,258.60, 423,042.30 and 124,319.40

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Solution

The fourth proportional to 282,258.60, 423,042.30 and 124,319.40 is: 186,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,258.60 : 423,042.30 = 124,319.40 : x
  2. Step 2: Convert to fraction form
    282,258.60/423,042.30 = 124,319.40/x
  3. Step 3: Cross multiply
    282,258.60x = 423,042.30 × 124,319.40
  4. Step 4: Simplify right side
    282,258.60x = 52,592,364,910.62
  5. Step 5: Solve for x
    x = 52,592,364,910.62/282,258.60
  6. Step 6: Final answer
    x = 186,326.88

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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.