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Finding the Fourth Proportional to 1,981,733.84, 2,972,600.76 and 561,802.22

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Solution

The fourth proportional to 1,981,733.84, 2,972,600.76 and 561,802.22 is: 842,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,733.84 : 2,972,600.76 = 561,802.22 : x
  2. Step 2: Convert to fraction form
    1,981,733.84/2,972,600.76 = 561,802.22/x
  3. Step 3: Cross multiply
    1,981,733.84x = 2,972,600.76 × 561,802.22
  4. Step 4: Simplify right side
    1,981,733.84x = 1,670,013,706,141.69
  5. Step 5: Solve for x
    x = 1,670,013,706,141.69/1,981,733.84
  6. Step 6: Final answer
    x = 842,703.33

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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.