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Finding the Fourth Proportional to 379,350.89, 523,498.01 and 207,265.14

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Solution

The fourth proportional to 379,350.89, 523,498.01 and 207,265.14 is: 286,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,350.89 : 523,498.01 = 207,265.14 : x
  2. Step 2: Convert to fraction form
    379,350.89/523,498.01 = 207,265.14/x
  3. Step 3: Cross multiply
    379,350.89x = 523,498.01 × 207,265.14
  4. Step 4: Simplify right side
    379,350.89x = 108,502,887,296.05
  5. Step 5: Solve for x
    x = 108,502,887,296.05/379,350.89
  6. Step 6: Final answer
    x = 286,022.50

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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.