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Finding the Fourth Proportional to 411,972.99, 617,232.71 and 360,801.03

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Solution

The fourth proportional to 411,972.99, 617,232.71 and 360,801.03 is: 540,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,972.99 : 617,232.71 = 360,801.03 : x
  2. Step 2: Convert to fraction form
    411,972.99/617,232.71 = 360,801.03/x
  3. Step 3: Cross multiply
    411,972.99x = 617,232.71 × 360,801.03
  4. Step 4: Simplify right side
    411,972.99x = 222,698,195,713.69
  5. Step 5: Solve for x
    x = 222,698,195,713.69/411,972.99
  6. Step 6: Final answer
    x = 540,565.04

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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.