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Finding the Fourth Proportional to 806,763.80, 1,208,522.99 and 373,874.94

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Solution

The fourth proportional to 806,763.80, 1,208,522.99 and 373,874.94 is: 560,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,763.80 : 1,208,522.99 = 373,874.94 : x
  2. Step 2: Convert to fraction form
    806,763.80/1,208,522.99 = 373,874.94/x
  3. Step 3: Cross multiply
    806,763.80x = 1,208,522.99 × 373,874.94
  4. Step 4: Simplify right side
    806,763.80x = 451,836,459,206.51
  5. Step 5: Solve for x
    x = 451,836,459,206.51/806,763.80
  6. Step 6: Final answer
    x = 560,060.41

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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.