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Finding the Fourth Proportional to 603,561.62, 832,987.45 and 361,977.10

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Solution

The fourth proportional to 603,561.62, 832,987.45 and 361,977.10 is: 499,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,561.62 : 832,987.45 = 361,977.10 : x
  2. Step 2: Convert to fraction form
    603,561.62/832,987.45 = 361,977.10/x
  3. Step 3: Cross multiply
    603,561.62x = 832,987.45 × 361,977.10
  4. Step 4: Simplify right side
    603,561.62x = 301,522,377,322.46
  5. Step 5: Solve for x
    x = 301,522,377,322.46/603,561.62
  6. Step 6: Final answer
    x = 499,571.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.