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Finding the Fourth Proportional to 466,187.61, 643,395.83 and 262,247.12

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Solution

The fourth proportional to 466,187.61, 643,395.83 and 262,247.12 is: 361,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,187.61 : 643,395.83 = 262,247.12 : x
  2. Step 2: Convert to fraction form
    466,187.61/643,395.83 = 262,247.12/x
  3. Step 3: Cross multiply
    466,187.61x = 643,395.83 × 262,247.12
  4. Step 4: Simplify right side
    466,187.61x = 168,728,698,909.30
  5. Step 5: Solve for x
    x = 168,728,698,909.30/466,187.61
  6. Step 6: Final answer
    x = 361,933.04

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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.