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Finding the Fourth Proportional to 325,559.10, 488,273.85 and 157,079.10

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Solution

The fourth proportional to 325,559.10, 488,273.85 and 157,079.10 is: 235,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,559.10 : 488,273.85 = 157,079.10 : x
  2. Step 2: Convert to fraction form
    325,559.10/488,273.85 = 157,079.10/x
  3. Step 3: Cross multiply
    325,559.10x = 488,273.85 × 157,079.10
  4. Step 4: Simplify right side
    325,559.10x = 76,697,616,911.54
  5. Step 5: Solve for x
    x = 76,697,616,911.54/325,559.10
  6. Step 6: Final answer
    x = 235,587.38

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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.