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Finding the Fourth Proportional to 305,773.60, 458,660.40 and 273,114.40

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Solution

The fourth proportional to 305,773.60, 458,660.40 and 273,114.40 is: 409,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,773.60 : 458,660.40 = 273,114.40 : x
  2. Step 2: Convert to fraction form
    305,773.60/458,660.40 = 273,114.40/x
  3. Step 3: Cross multiply
    305,773.60x = 458,660.40 × 273,114.40
  4. Step 4: Simplify right side
    305,773.60x = 125,266,759,949.76
  5. Step 5: Solve for x
    x = 125,266,759,949.76/305,773.60
  6. Step 6: Final answer
    x = 409,671.60

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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.