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Finding the Fourth Proportional to 533,854.20, 800,616.56 and 154,802.88

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Solution

The fourth proportional to 533,854.20, 800,616.56 and 154,802.88 is: 232,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,854.20 : 800,616.56 = 154,802.88 : x
  2. Step 2: Convert to fraction form
    533,854.20/800,616.56 = 154,802.88/x
  3. Step 3: Cross multiply
    533,854.20x = 800,616.56 × 154,802.88
  4. Step 4: Simplify right side
    533,854.20x = 123,937,749,263.69
  5. Step 5: Solve for x
    x = 123,937,749,263.69/533,854.20
  6. Step 6: Final answer
    x = 232,156.55

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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.