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Finding the Fourth Proportional to 562,405.40, 843,608.10 and 163,059.20

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Solution

The fourth proportional to 562,405.40, 843,608.10 and 163,059.20 is: 244,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,405.40 : 843,608.10 = 163,059.20 : x
  2. Step 2: Convert to fraction form
    562,405.40/843,608.10 = 163,059.20/x
  3. Step 3: Cross multiply
    562,405.40x = 843,608.10 × 163,059.20
  4. Step 4: Simplify right side
    562,405.40x = 137,558,061,899.52
  5. Step 5: Solve for x
    x = 137,558,061,899.52/562,405.40
  6. Step 6: Final answer
    x = 244,588.80

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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.