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Finding the Fourth Proportional to 1,823,938.28, 2,736,201.42 and 561,765.32

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Solution

The fourth proportional to 1,823,938.28, 2,736,201.42 and 561,765.32 is: 842,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,938.28 : 2,736,201.42 = 561,765.32 : x
  2. Step 2: Convert to fraction form
    1,823,938.28/2,736,201.42 = 561,765.32/x
  3. Step 3: Cross multiply
    1,823,938.28x = 2,736,201.42 × 561,765.32
  4. Step 4: Simplify right side
    1,823,938.28x = 1,537,103,066,290.75
  5. Step 5: Solve for x
    x = 1,537,103,066,290.75/1,823,938.28
  6. Step 6: Final answer
    x = 842,738.53

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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.