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Finding the Fourth Proportional to 533,900.80, 800,615.04 and 159,854.08

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Solution

The fourth proportional to 533,900.80, 800,615.04 and 159,854.08 is: 239,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,900.80 : 800,615.04 = 159,854.08 : x
  2. Step 2: Convert to fraction form
    533,900.80/800,615.04 = 159,854.08/x
  3. Step 3: Cross multiply
    533,900.80x = 800,615.04 × 159,854.08
  4. Step 4: Simplify right side
    533,900.80x = 127,981,580,653.36
  5. Step 5: Solve for x
    x = 127,981,580,653.36/533,900.80
  6. Step 6: Final answer
    x = 239,710.41

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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.