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Finding the Fourth Proportional to 514,997.60, 772,277.70 and 248,839.70

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Solution

The fourth proportional to 514,997.60, 772,277.70 and 248,839.70 is: 373,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,997.60 : 772,277.70 = 248,839.70 : x
  2. Step 2: Convert to fraction form
    514,997.60/772,277.70 = 248,839.70/x
  3. Step 3: Cross multiply
    514,997.60x = 772,277.70 × 248,839.70
  4. Step 4: Simplify right side
    514,997.60x = 192,173,351,184.69
  5. Step 5: Solve for x
    x = 192,173,351,184.69/514,997.60
  6. Step 6: Final answer
    x = 373,153.88

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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.