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Finding the Fourth Proportional to 534,998.40, 802,497.60 and 219,350.40

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Solution

The fourth proportional to 534,998.40, 802,497.60 and 219,350.40 is: 329,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,998.40 : 802,497.60 = 219,350.40 : x
  2. Step 2: Convert to fraction form
    534,998.40/802,497.60 = 219,350.40/x
  3. Step 3: Cross multiply
    534,998.40x = 802,497.60 × 219,350.40
  4. Step 4: Simplify right side
    534,998.40x = 176,028,169,559.04
  5. Step 5: Solve for x
    x = 176,028,169,559.04/534,998.40
  6. Step 6: Final answer
    x = 329,025.60

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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.