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Finding the Fourth Proportional to 562,235.80, 843,353.70 and 162,889.60

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Solution

The fourth proportional to 562,235.80, 843,353.70 and 162,889.60 is: 244,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,235.80 : 843,353.70 = 162,889.60 : x
  2. Step 2: Convert to fraction form
    562,235.80/843,353.70 = 162,889.60/x
  3. Step 3: Cross multiply
    562,235.80x = 843,353.70 × 162,889.60
  4. Step 4: Simplify right side
    562,235.80x = 137,373,546,851.52
  5. Step 5: Solve for x
    x = 137,373,546,851.52/562,235.80
  6. Step 6: Final answer
    x = 244,334.40

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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.