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Finding the Fourth Proportional to 322,248, 483,372.20 and 122,522.25

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Solution

The fourth proportional to 322,248, 483,372.20 and 122,522.25 is: 183,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,248 : 483,372.20 = 122,522.25 : x
  2. Step 2: Convert to fraction form
    322,248/483,372.20 = 122,522.25/x
  3. Step 3: Cross multiply
    322,248x = 483,372.20 × 122,522.25
  4. Step 4: Simplify right side
    322,248x = 59,223,849,531.45
  5. Step 5: Solve for x
    x = 59,223,849,531.45/322,248
  6. Step 6: Final answer
    x = 183,783.45

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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.