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Finding the Fourth Proportional to 695,213, 959,393.94 and 377,261

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Solution

The fourth proportional to 695,213, 959,393.94 and 377,261 is: 520,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,213 : 959,393.94 = 377,261 : x
  2. Step 2: Convert to fraction form
    695,213/959,393.94 = 377,261/x
  3. Step 3: Cross multiply
    695,213x = 959,393.94 × 377,261
  4. Step 4: Simplify right side
    695,213x = 361,941,917,198.34
  5. Step 5: Solve for x
    x = 361,941,917,198.34/695,213
  6. Step 6: Final answer
    x = 520,620.18

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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.