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Finding the Fourth Proportional to 2,339,854.48, 3,509,782.80 and 843,946.48

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Solution

The fourth proportional to 2,339,854.48, 3,509,782.80 and 843,946.48 is: 1,265,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,854.48 : 3,509,782.80 = 843,946.48 : x
  2. Step 2: Convert to fraction form
    2,339,854.48/3,509,782.80 = 843,946.48/x
  3. Step 3: Cross multiply
    2,339,854.48x = 3,509,782.80 × 843,946.48
  4. Step 4: Simplify right side
    2,339,854.48x = 2,962,068,839,624.54
  5. Step 5: Solve for x
    x = 2,962,068,839,624.54/2,339,854.48
  6. Step 6: Final answer
    x = 1,265,920.11

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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.