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Finding the Fourth Proportional to 676,971, 934,219.98 and 375,184.44

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Solution

The fourth proportional to 676,971, 934,219.98 and 375,184.44 is: 517,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,971 : 934,219.98 = 375,184.44 : x
  2. Step 2: Convert to fraction form
    676,971/934,219.98 = 375,184.44/x
  3. Step 3: Cross multiply
    676,971x = 934,219.98 × 375,184.44
  4. Step 4: Simplify right side
    676,971x = 350,504,800,033.11
  5. Step 5: Solve for x
    x = 350,504,800,033.11/676,971
  6. Step 6: Final answer
    x = 517,754.53

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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.