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Finding the Fourth Proportional to 451,792.17, 623,492.91 and 270,469.17

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Solution

The fourth proportional to 451,792.17, 623,492.91 and 270,469.17 is: 373,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,792.17 : 623,492.91 = 270,469.17 : x
  2. Step 2: Convert to fraction form
    451,792.17/623,492.91 = 270,469.17/x
  3. Step 3: Cross multiply
    451,792.17x = 623,492.91 × 270,469.17
  4. Step 4: Simplify right side
    451,792.17x = 168,635,609,868.59
  5. Step 5: Solve for x
    x = 168,635,609,868.59/451,792.17
  6. Step 6: Final answer
    x = 373,259.26

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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.