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Finding the Fourth Proportional to 515,700.95, 773,709.78 and 246,173.03

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Solution

The fourth proportional to 515,700.95, 773,709.78 and 246,173.03 is: 369,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,700.95 : 773,709.78 = 246,173.03 : x
  2. Step 2: Convert to fraction form
    515,700.95/773,709.78 = 246,173.03/x
  3. Step 3: Cross multiply
    515,700.95x = 773,709.78 × 246,173.03
  4. Step 4: Simplify right side
    515,700.95x = 190,466,480,883.23
  5. Step 5: Solve for x
    x = 190,466,480,883.23/515,700.95
  6. Step 6: Final answer
    x = 369,335.14

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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.