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Finding the Fourth Proportional to 533,528.80, 800,019.60 and 159,503.20

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Solution

The fourth proportional to 533,528.80, 800,019.60 and 159,503.20 is: 239,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,528.80 : 800,019.60 = 159,503.20 : x
  2. Step 2: Convert to fraction form
    533,528.80/800,019.60 = 159,503.20/x
  3. Step 3: Cross multiply
    533,528.80x = 800,019.60 × 159,503.20
  4. Step 4: Simplify right side
    533,528.80x = 127,605,686,262.72
  5. Step 5: Solve for x
    x = 127,605,686,262.72/533,528.80
  6. Step 6: Final answer
    x = 239,173.00

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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.