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Finding the Fourth Proportional to 562,409.40, 843,614.10 and 163,063.20

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Solution

The fourth proportional to 562,409.40, 843,614.10 and 163,063.20 is: 244,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,409.40 : 843,614.10 = 163,063.20 : x
  2. Step 2: Convert to fraction form
    562,409.40/843,614.10 = 163,063.20/x
  3. Step 3: Cross multiply
    562,409.40x = 843,614.10 × 163,063.20
  4. Step 4: Simplify right side
    562,409.40x = 137,562,414,711.12
  5. Step 5: Solve for x
    x = 137,562,414,711.12/562,409.40
  6. Step 6: Final answer
    x = 244,594.80

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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.