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Finding the Fourth Proportional to 357,150.60, 492,883.20 and 213,883.20

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Solution

The fourth proportional to 357,150.60, 492,883.20 and 213,883.20 is: 295,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,150.60 : 492,883.20 = 213,883.20 : x
  2. Step 2: Convert to fraction form
    357,150.60/492,883.20 = 213,883.20/x
  3. Step 3: Cross multiply
    357,150.60x = 492,883.20 × 213,883.20
  4. Step 4: Simplify right side
    357,150.60x = 105,419,436,042.24
  5. Step 5: Solve for x
    x = 105,419,436,042.24/357,150.60
  6. Step 6: Final answer
    x = 295,168.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.