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Finding the Fourth Proportional to 1,973,828.16, 2,960,299.38 and 907,846.08

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Solution

The fourth proportional to 1,973,828.16, 2,960,299.38 and 907,846.08 is: 1,361,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,828.16 : 2,960,299.38 = 907,846.08 : x
  2. Step 2: Convert to fraction form
    1,973,828.16/2,960,299.38 = 907,846.08/x
  3. Step 3: Cross multiply
    1,973,828.16x = 2,960,299.38 × 907,846.08
  4. Step 4: Simplify right side
    1,973,828.16x = 2,687,496,187,759.43
  5. Step 5: Solve for x
    x = 2,687,496,187,759.43/1,973,828.16
  6. Step 6: Final answer
    x = 1,361,565.43

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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.