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Finding the Fourth Proportional to 1,982,827.28, 2,974,234.80 and 562,884.32

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Solution

The fourth proportional to 1,982,827.28, 2,974,234.80 and 562,884.32 is: 844,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,827.28 : 2,974,234.80 = 562,884.32 : x
  2. Step 2: Convert to fraction form
    1,982,827.28/2,974,234.80 = 562,884.32/x
  3. Step 3: Cross multiply
    1,982,827.28x = 2,974,234.80 × 562,884.32
  4. Step 4: Simplify right side
    1,982,827.28x = 1,674,150,132,918.34
  5. Step 5: Solve for x
    x = 1,674,150,132,918.34/1,982,827.28
  6. Step 6: Final answer
    x = 844,324.74

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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.