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Finding the Fourth Proportional to 584,418.98, 876,906.12 and 404,780.88

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Solution

The fourth proportional to 584,418.98, 876,906.12 and 404,780.88 is: 607,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,418.98 : 876,906.12 = 404,780.88 : x
  2. Step 2: Convert to fraction form
    584,418.98/876,906.12 = 404,780.88/x
  3. Step 3: Cross multiply
    584,418.98x = 876,906.12 × 404,780.88
  4. Step 4: Simplify right side
    584,418.98x = 354,954,830,930.99
  5. Step 5: Solve for x
    x = 354,954,830,930.99/584,418.98
  6. Step 6: Final answer
    x = 607,363.63

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1.5x scale

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.