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Finding the Fourth Proportional to 325,807.90, 488,695.65 and 168,052.30

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Solution

The fourth proportional to 325,807.90, 488,695.65 and 168,052.30 is: 252,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,807.90 : 488,695.65 = 168,052.30 : x
  2. Step 2: Convert to fraction form
    325,807.90/488,695.65 = 168,052.30/x
  3. Step 3: Cross multiply
    325,807.90x = 488,695.65 × 168,052.30
  4. Step 4: Simplify right side
    325,807.90x = 82,126,427,982.50
  5. Step 5: Solve for x
    x = 82,126,427,982.50/325,807.90
  6. Step 6: Final answer
    x = 252,070.09

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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.