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Finding the Fourth Proportional to 399,200.60, 598,959.30 and 162,560.60

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Solution

The fourth proportional to 399,200.60, 598,959.30 and 162,560.60 is: 243,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,200.60 : 598,959.30 = 162,560.60 : x
  2. Step 2: Convert to fraction form
    399,200.60/598,959.30 = 162,560.60/x
  3. Step 3: Cross multiply
    399,200.60x = 598,959.30 × 162,560.60
  4. Step 4: Simplify right side
    399,200.60x = 97,367,183,183.58
  5. Step 5: Solve for x
    x = 97,367,183,183.58/399,200.60
  6. Step 6: Final answer
    x = 243,905.40

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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.