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Finding the Fourth Proportional to 325,392.20, 488,001.90 and 100,752.20

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Solution

The fourth proportional to 325,392.20, 488,001.90 and 100,752.20 is: 151,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,392.20 : 488,001.90 = 100,752.20 : x
  2. Step 2: Convert to fraction form
    325,392.20/488,001.90 = 100,752.20/x
  3. Step 3: Cross multiply
    325,392.20x = 488,001.90 × 100,752.20
  4. Step 4: Simplify right side
    325,392.20x = 49,167,265,029.18
  5. Step 5: Solve for x
    x = 49,167,265,029.18/325,392.20
  6. Step 6: Final answer
    x = 151,101.55

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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.