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Finding the Fourth Proportional to 676,997.50, 934,256.55 and 375,210.94

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Solution

The fourth proportional to 676,997.50, 934,256.55 and 375,210.94 is: 517,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,997.50 : 934,256.55 = 375,210.94 : x
  2. Step 2: Convert to fraction form
    676,997.50/934,256.55 = 375,210.94/x
  3. Step 3: Cross multiply
    676,997.50x = 934,256.55 × 375,210.94
  4. Step 4: Simplify right side
    676,997.50x = 350,543,278,326.66
  5. Step 5: Solve for x
    x = 350,543,278,326.66/676,997.50
  6. Step 6: Final answer
    x = 517,791.10

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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.