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Finding the Fourth Proportional to 584,249.48, 806,264.82 and 315,977.48

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Solution

The fourth proportional to 584,249.48, 806,264.82 and 315,977.48 is: 436,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,249.48 : 806,264.82 = 315,977.48 : x
  2. Step 2: Convert to fraction form
    584,249.48/806,264.82 = 315,977.48/x
  3. Step 3: Cross multiply
    584,249.48x = 806,264.82 × 315,977.48
  4. Step 4: Simplify right side
    584,249.48x = 254,761,526,036.25
  5. Step 5: Solve for x
    x = 254,761,526,036.25/584,249.48
  6. Step 6: Final answer
    x = 436,049.21

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1.5x scale

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.