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Finding the Fourth Proportional to 504,275.02, 695,887.54 and 274,839.55

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Solution

The fourth proportional to 504,275.02, 695,887.54 and 274,839.55 is: 379,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,275.02 : 695,887.54 = 274,839.55 : x
  2. Step 2: Convert to fraction form
    504,275.02/695,887.54 = 274,839.55/x
  3. Step 3: Cross multiply
    504,275.02x = 695,887.54 × 274,839.55
  4. Step 4: Simplify right side
    504,275.02x = 191,257,418,344.21
  5. Step 5: Solve for x
    x = 191,257,418,344.21/504,275.02
  6. Step 6: Final answer
    x = 379,272.05

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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.