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Finding the Fourth Proportional to 276,627.60, 414,941.40 and 252,133.20

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Solution

The fourth proportional to 276,627.60, 414,941.40 and 252,133.20 is: 378,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,627.60 : 414,941.40 = 252,133.20 : x
  2. Step 2: Convert to fraction form
    276,627.60/414,941.40 = 252,133.20/x
  3. Step 3: Cross multiply
    276,627.60x = 414,941.40 × 252,133.20
  4. Step 4: Simplify right side
    276,627.60x = 104,620,502,994.48
  5. Step 5: Solve for x
    x = 104,620,502,994.48/276,627.60
  6. Step 6: Final answer
    x = 378,199.80

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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.