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Finding the Fourth Proportional to 325,599.44, 488,475 and 100,948.16

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Solution

The fourth proportional to 325,599.44, 488,475 and 100,948.16 is: 151,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,599.44 : 488,475 = 100,948.16 : x
  2. Step 2: Convert to fraction form
    325,599.44/488,475 = 100,948.16/x
  3. Step 3: Cross multiply
    325,599.44x = 488,475 × 100,948.16
  4. Step 4: Simplify right side
    325,599.44x = 49,310,652,456
  5. Step 5: Solve for x
    x = 49,310,652,456/325,599.44
  6. Step 6: Final answer
    x = 151,445.75

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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.