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Finding the Fourth Proportional to 533,901.80, 800,616.54 and 159,855.08

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Solution

The fourth proportional to 533,901.80, 800,616.54 and 159,855.08 is: 239,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,901.80 : 800,616.54 = 159,855.08 : x
  2. Step 2: Convert to fraction form
    533,901.80/800,616.54 = 159,855.08/x
  3. Step 3: Cross multiply
    533,901.80x = 800,616.54 × 159,855.08
  4. Step 4: Simplify right side
    533,901.80x = 127,982,621,051.02
  5. Step 5: Solve for x
    x = 127,982,621,051.02/533,901.80
  6. Step 6: Final answer
    x = 239,711.91

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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.