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Finding the Fourth Proportional to 354,189.59, 488,597.48 and 224,906.87

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Solution

The fourth proportional to 354,189.59, 488,597.48 and 224,906.87 is: 310,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,189.59 : 488,597.48 = 224,906.87 : x
  2. Step 2: Convert to fraction form
    354,189.59/488,597.48 = 224,906.87/x
  3. Step 3: Cross multiply
    354,189.59x = 488,597.48 × 224,906.87
  4. Step 4: Simplify right side
    354,189.59x = 109,888,928,035.97
  5. Step 5: Solve for x
    x = 109,888,928,035.97/354,189.59
  6. Step 6: Final answer
    x = 310,254.54

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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.