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Finding the Fourth Proportional to 808,569, 1,212,334.98 and 335,580.84

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Solution

The fourth proportional to 808,569, 1,212,334.98 and 335,580.84 is: 503,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,569 : 1,212,334.98 = 335,580.84 : x
  2. Step 2: Convert to fraction form
    808,569/1,212,334.98 = 335,580.84/x
  3. Step 3: Cross multiply
    808,569x = 1,212,334.98 × 335,580.84
  4. Step 4: Simplify right side
    808,569x = 406,836,390,949.78
  5. Step 5: Solve for x
    x = 406,836,390,949.78/808,569
  6. Step 6: Final answer
    x = 503,156.06

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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.