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Finding the Fourth Proportional to 655,994.84, 905,244.91 and 365,590.95

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Solution

The fourth proportional to 655,994.84, 905,244.91 and 365,590.95 is: 504,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,994.84 : 905,244.91 = 365,590.95 : x
  2. Step 2: Convert to fraction form
    655,994.84/905,244.91 = 365,590.95/x
  3. Step 3: Cross multiply
    655,994.84x = 905,244.91 × 365,590.95
  4. Step 4: Simplify right side
    655,994.84x = 330,949,345,715.59
  5. Step 5: Solve for x
    x = 330,949,345,715.59/655,994.84
  6. Step 6: Final answer
    x = 504,499.92

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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.