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Finding the Fourth Proportional to 676,995, 934,253.10 and 375,208.44

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Solution

The fourth proportional to 676,995, 934,253.10 and 375,208.44 is: 517,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,995 : 934,253.10 = 375,208.44 : x
  2. Step 2: Convert to fraction form
    676,995/934,253.10 = 375,208.44/x
  3. Step 3: Cross multiply
    676,995x = 934,253.10 × 375,208.44
  4. Step 4: Simplify right side
    676,995x = 350,539,648,216.16
  5. Step 5: Solve for x
    x = 350,539,648,216.16/676,995
  6. Step 6: Final answer
    x = 517,787.65

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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.