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Finding the Fourth Proportional to 695,218, 959,400.84 and 377,266

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Solution

The fourth proportional to 695,218, 959,400.84 and 377,266 is: 520,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,218 : 959,400.84 = 377,266 : x
  2. Step 2: Convert to fraction form
    695,218/959,400.84 = 377,266/x
  3. Step 3: Cross multiply
    695,218x = 959,400.84 × 377,266
  4. Step 4: Simplify right side
    695,218x = 361,949,317,303.44
  5. Step 5: Solve for x
    x = 361,949,317,303.44/695,218
  6. Step 6: Final answer
    x = 520,627.08

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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.