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Finding the Fourth Proportional to 1,974,986.73, 2,962,480.11 and 555,042.81

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Solution

The fourth proportional to 1,974,986.73, 2,962,480.11 and 555,042.81 is: 832,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,986.73 : 2,962,480.11 = 555,042.81 : x
  2. Step 2: Convert to fraction form
    1,974,986.73/2,962,480.11 = 555,042.81/x
  3. Step 3: Cross multiply
    1,974,986.73x = 2,962,480.11 × 555,042.81
  4. Step 4: Simplify right side
    1,974,986.73x = 1,644,303,284,823.51
  5. Step 5: Solve for x
    x = 1,644,303,284,823.51/1,974,986.73
  6. Step 6: Final answer
    x = 832,564.22

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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.