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Finding the Fourth Proportional to 398,023.60, 596,160.60 and 161,244.40

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Solution

The fourth proportional to 398,023.60, 596,160.60 and 161,244.40 is: 241,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,023.60 : 596,160.60 = 161,244.40 : x
  2. Step 2: Convert to fraction form
    398,023.60/596,160.60 = 161,244.40/x
  3. Step 3: Cross multiply
    398,023.60x = 596,160.60 × 161,244.40
  4. Step 4: Simplify right side
    398,023.60x = 96,127,558,250.64
  5. Step 5: Solve for x
    x = 96,127,558,250.64/398,023.60
  6. Step 6: Final answer
    x = 241,512.21

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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.