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Finding the Fourth Proportional to 268,000.60, 401,655.30 and 162,707.80

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Solution

The fourth proportional to 268,000.60, 401,655.30 and 162,707.80 is: 243,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,000.60 : 401,655.30 = 162,707.80 : x
  2. Step 2: Convert to fraction form
    268,000.60/401,655.30 = 162,707.80/x
  3. Step 3: Cross multiply
    268,000.60x = 401,655.30 × 162,707.80
  4. Step 4: Simplify right side
    268,000.60x = 65,352,450,221.34
  5. Step 5: Solve for x
    x = 65,352,450,221.34/268,000.60
  6. Step 6: Final answer
    x = 243,851.88

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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.