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Finding the Fourth Proportional to 591,726.24, 886,977 and 291,805.92

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Solution

The fourth proportional to 591,726.24, 886,977 and 291,805.92 is: 437,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,726.24 : 886,977 = 291,805.92 : x
  2. Step 2: Convert to fraction form
    591,726.24/886,977 = 291,805.92/x
  3. Step 3: Cross multiply
    591,726.24x = 886,977 × 291,805.92
  4. Step 4: Simplify right side
    591,726.24x = 258,825,139,503.84
  5. Step 5: Solve for x
    x = 258,825,139,503.84/591,726.24
  6. Step 6: Final answer
    x = 437,406.90

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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.