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Finding the Fourth Proportional to 676,995.50, 934,253.80 and 375,208.94

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Solution

The fourth proportional to 676,995.50, 934,253.80 and 375,208.94 is: 517,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,995.50 : 934,253.80 = 375,208.94 : x
  2. Step 2: Convert to fraction form
    676,995.50/934,253.80 = 375,208.94/x
  3. Step 3: Cross multiply
    676,995.50x = 934,253.80 × 375,208.94
  4. Step 4: Simplify right side
    676,995.50x = 350,540,377,988.97
  5. Step 5: Solve for x
    x = 350,540,377,988.97/676,995.50
  6. Step 6: Final answer
    x = 517,788.34

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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.