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Finding the Fourth Proportional to 1,982,833.28, 2,974,243.80 and 562,890.32

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Solution

The fourth proportional to 1,982,833.28, 2,974,243.80 and 562,890.32 is: 844,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,833.28 : 2,974,243.80 = 562,890.32 : x
  2. Step 2: Convert to fraction form
    1,982,833.28/2,974,243.80 = 562,890.32/x
  3. Step 3: Cross multiply
    1,982,833.28x = 2,974,243.80 × 562,890.32
  4. Step 4: Simplify right side
    1,982,833.28x = 1,674,173,044,340.02
  5. Step 5: Solve for x
    x = 1,674,173,044,340.02/1,982,833.28
  6. Step 6: Final answer
    x = 844,333.74

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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.