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Finding the Fourth Proportional to 452,086.39, 623,887.13 and 248,156.38

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Solution

The fourth proportional to 452,086.39, 623,887.13 and 248,156.38 is: 342,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,086.39 : 623,887.13 = 248,156.38 : x
  2. Step 2: Convert to fraction form
    452,086.39/623,887.13 = 248,156.38/x
  3. Step 3: Cross multiply
    452,086.39x = 623,887.13 × 248,156.38
  4. Step 4: Simplify right side
    452,086.39x = 154,821,571,709.39
  5. Step 5: Solve for x
    x = 154,821,571,709.39/452,086.39
  6. Step 6: Final answer
    x = 342,460.15

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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.