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Finding the Fourth Proportional to 515,584, 773,376 and 183,173.12

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Solution

The fourth proportional to 515,584, 773,376 and 183,173.12 is: 274,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584 : 773,376 = 183,173.12 : x
  2. Step 2: Convert to fraction form
    515,584/773,376 = 183,173.12/x
  3. Step 3: Cross multiply
    515,584x = 773,376 × 183,173.12
  4. Step 4: Simplify right side
    515,584x = 141,661,694,853.12
  5. Step 5: Solve for x
    x = 141,661,694,853.12/515,584
  6. Step 6: Final answer
    x = 274,759.68

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Double scale
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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.