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Finding the Fourth Proportional to 310,033.18, 427,842.04 and 174,063.76

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Solution

The fourth proportional to 310,033.18, 427,842.04 and 174,063.76 is: 240,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,033.18 : 427,842.04 = 174,063.76 : x
  2. Step 2: Convert to fraction form
    310,033.18/427,842.04 = 174,063.76/x
  3. Step 3: Cross multiply
    310,033.18x = 427,842.04 × 174,063.76
  4. Step 4: Simplify right side
    310,033.18x = 74,471,794,168.47
  5. Step 5: Solve for x
    x = 74,471,794,168.47/310,033.18
  6. Step 6: Final answer
    x = 240,205.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.