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Finding the Fourth Proportional to 371,522.66, 513,122.81 and 250,455.94

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Solution

The fourth proportional to 371,522.66, 513,122.81 and 250,455.94 is: 345,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,522.66 : 513,122.81 = 250,455.94 : x
  2. Step 2: Convert to fraction form
    371,522.66/513,122.81 = 250,455.94/x
  3. Step 3: Cross multiply
    371,522.66x = 513,122.81 × 250,455.94
  4. Step 4: Simplify right side
    371,522.66x = 128,514,655,713.99
  5. Step 5: Solve for x
    x = 128,514,655,713.99/371,522.66
  6. Step 6: Final answer
    x = 345,913.37

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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.