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Finding the Fourth Proportional to 1,050,648, 1,575,972 and 262,680

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Solution

The fourth proportional to 1,050,648, 1,575,972 and 262,680 is: 394,020

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,648 : 1,575,972 = 262,680 : x
  2. Step 2: Convert to fraction form
    1,050,648/1,575,972 = 262,680/x
  3. Step 3: Cross multiply
    1,050,648x = 1,575,972 × 262,680
  4. Step 4: Simplify right side
    1,050,648x = 413,976,324,960
  5. Step 5: Solve for x
    x = 413,976,324,960/1,050,648
  6. Step 6: Final answer
    x = 394,020

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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.