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Finding the Fourth Proportional to 676,021.75, 932,910.02 and 370,097.17

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Solution

The fourth proportional to 676,021.75, 932,910.02 and 370,097.17 is: 510,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,021.75 : 932,910.02 = 370,097.17 : x
  2. Step 2: Convert to fraction form
    676,021.75/932,910.02 = 370,097.17/x
  3. Step 3: Cross multiply
    676,021.75x = 932,910.02 × 370,097.17
  4. Step 4: Simplify right side
    676,021.75x = 345,267,358,266.64
  5. Step 5: Solve for x
    x = 345,267,358,266.64/676,021.75
  6. Step 6: Final answer
    x = 510,734.10

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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.