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Finding the Fourth Proportional to 695,808, 1,043,712 and 170,496

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Solution

The fourth proportional to 695,808, 1,043,712 and 170,496 is: 255,744

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,808 : 1,043,712 = 170,496 : x
  2. Step 2: Convert to fraction form
    695,808/1,043,712 = 170,496/x
  3. Step 3: Cross multiply
    695,808x = 1,043,712 × 170,496
  4. Step 4: Simplify right side
    695,808x = 177,948,721,152
  5. Step 5: Solve for x
    x = 177,948,721,152/695,808
  6. Step 6: Final answer
    x = 255,744

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.