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Finding the Fourth Proportional to 534,867.40, 802,301.10 and 179,844.40

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Solution

The fourth proportional to 534,867.40, 802,301.10 and 179,844.40 is: 269,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,867.40 : 802,301.10 = 179,844.40 : x
  2. Step 2: Convert to fraction form
    534,867.40/802,301.10 = 179,844.40/x
  3. Step 3: Cross multiply
    534,867.40x = 802,301.10 × 179,844.40
  4. Step 4: Simplify right side
    534,867.40x = 144,289,359,948.84
  5. Step 5: Solve for x
    x = 144,289,359,948.84/534,867.40
  6. Step 6: Final answer
    x = 269,766.60

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Double scale
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Similar ratio
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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.