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Finding the Fourth Proportional to 534,304.40, 801,456.60 and 254,368.40

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Solution

The fourth proportional to 534,304.40, 801,456.60 and 254,368.40 is: 381,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,304.40 : 801,456.60 = 254,368.40 : x
  2. Step 2: Convert to fraction form
    534,304.40/801,456.60 = 254,368.40/x
  3. Step 3: Cross multiply
    534,304.40x = 801,456.60 × 254,368.40
  4. Step 4: Simplify right side
    534,304.40x = 203,865,233,011.44
  5. Step 5: Solve for x
    x = 203,865,233,011.44/534,304.40
  6. Step 6: Final answer
    x = 381,552.60

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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.