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Finding the Fourth Proportional to 239,354.40, 359,031.60 and 164,704.80

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Solution

The fourth proportional to 239,354.40, 359,031.60 and 164,704.80 is: 247,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,354.40 : 359,031.60 = 164,704.80 : x
  2. Step 2: Convert to fraction form
    239,354.40/359,031.60 = 164,704.80/x
  3. Step 3: Cross multiply
    239,354.40x = 359,031.60 × 164,704.80
  4. Step 4: Simplify right side
    239,354.40x = 59,134,227,871.68
  5. Step 5: Solve for x
    x = 59,134,227,871.68/239,354.40
  6. Step 6: Final answer
    x = 247,057.20

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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.