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Finding the Fourth Proportional to 617,641.59, 926,537.14 and 218,200.62

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Solution

The fourth proportional to 617,641.59, 926,537.14 and 218,200.62 is: 327,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,641.59 : 926,537.14 = 218,200.62 : x
  2. Step 2: Convert to fraction form
    617,641.59/926,537.14 = 218,200.62/x
  3. Step 3: Cross multiply
    617,641.59x = 926,537.14 × 218,200.62
  4. Step 4: Simplify right side
    617,641.59x = 202,170,977,310.02
  5. Step 5: Solve for x
    x = 202,170,977,310.02/617,641.59
  6. Step 6: Final answer
    x = 327,327.34

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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.