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Finding the Fourth Proportional to 617,581.82, 926,278.02 and 168,338.84

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Solution

The fourth proportional to 617,581.82, 926,278.02 and 168,338.84 is: 252,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,581.82 : 926,278.02 = 168,338.84 : x
  2. Step 2: Convert to fraction form
    617,581.82/926,278.02 = 168,338.84/x
  3. Step 3: Cross multiply
    617,581.82x = 926,278.02 × 168,338.84
  4. Step 4: Simplify right side
    617,581.82x = 155,928,567,404.30
  5. Step 5: Solve for x
    x = 155,928,567,404.30/617,581.82
  6. Step 6: Final answer
    x = 252,482.44

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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.