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Finding the Fourth Proportional to 617,650.28, 926,635.16 and 361,699.01

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Solution

The fourth proportional to 617,650.28, 926,635.16 and 361,699.01 is: 542,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,650.28 : 926,635.16 = 361,699.01 : x
  2. Step 2: Convert to fraction form
    617,650.28/926,635.16 = 361,699.01/x
  3. Step 3: Cross multiply
    617,650.28x = 926,635.16 × 361,699.01
  4. Step 4: Simplify right side
    617,650.28x = 335,163,013,561.52
  5. Step 5: Solve for x
    x = 335,163,013,561.52/617,650.28
  6. Step 6: Final answer
    x = 542,642.05

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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.