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Finding the Fourth Proportional to 451,862.15, 623,406.13 and 296,896.91

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Solution

The fourth proportional to 451,862.15, 623,406.13 and 296,896.91 is: 409,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,862.15 : 623,406.13 = 296,896.91 : x
  2. Step 2: Convert to fraction form
    451,862.15/623,406.13 = 296,896.91/x
  3. Step 3: Cross multiply
    451,862.15x = 623,406.13 × 296,896.91
  4. Step 4: Simplify right side
    451,862.15x = 185,087,354,488.33
  5. Step 5: Solve for x
    x = 185,087,354,488.33/451,862.15
  6. Step 6: Final answer
    x = 409,610.22

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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.