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Finding the Fourth Proportional to 624,011.20, 936,016.80 and 224,713.60

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Solution

The fourth proportional to 624,011.20, 936,016.80 and 224,713.60 is: 337,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,011.20 : 936,016.80 = 224,713.60 : x
  2. Step 2: Convert to fraction form
    624,011.20/936,016.80 = 224,713.60/x
  3. Step 3: Cross multiply
    624,011.20x = 936,016.80 × 224,713.60
  4. Step 4: Simplify right side
    624,011.20x = 210,335,704,788.48
  5. Step 5: Solve for x
    x = 210,335,704,788.48/624,011.20
  6. Step 6: Final answer
    x = 337,070.40

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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.