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Finding the Fourth Proportional to 617,652.28, 926,638.16 and 361,701.01

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Solution

The fourth proportional to 617,652.28, 926,638.16 and 361,701.01 is: 542,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,652.28 : 926,638.16 = 361,701.01 : x
  2. Step 2: Convert to fraction form
    617,652.28/926,638.16 = 361,701.01/x
  3. Step 3: Cross multiply
    617,652.28x = 926,638.16 × 361,701.01
  4. Step 4: Simplify right side
    617,652.28x = 335,165,958,376.54
  5. Step 5: Solve for x
    x = 335,165,958,376.54/617,652.28
  6. Step 6: Final answer
    x = 542,645.06

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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.