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Finding the Fourth Proportional to 533,765.20, 801,101.40 and 218,448.40

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Solution

The fourth proportional to 533,765.20, 801,101.40 and 218,448.40 is: 327,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,765.20 : 801,101.40 = 218,448.40 : x
  2. Step 2: Convert to fraction form
    533,765.20/801,101.40 = 218,448.40/x
  3. Step 3: Cross multiply
    533,765.20x = 801,101.40 × 218,448.40
  4. Step 4: Simplify right side
    533,765.20x = 174,999,319,067.76
  5. Step 5: Solve for x
    x = 174,999,319,067.76/533,765.20
  6. Step 6: Final answer
    x = 327,858.24

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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.