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Finding the Fourth Proportional to 325,838.60, 488,903.70 and 148,254.20

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Solution

The fourth proportional to 325,838.60, 488,903.70 and 148,254.20 is: 222,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,838.60 : 488,903.70 = 148,254.20 : x
  2. Step 2: Convert to fraction form
    325,838.60/488,903.70 = 148,254.20/x
  3. Step 3: Cross multiply
    325,838.60x = 488,903.70 × 148,254.20
  4. Step 4: Simplify right side
    325,838.60x = 72,482,026,920.54
  5. Step 5: Solve for x
    x = 72,482,026,920.54/325,838.60
  6. Step 6: Final answer
    x = 222,447.64

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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.