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Finding the Fourth Proportional to 922,599.90, 1,383,899.85 and 501,659.10

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Solution

The fourth proportional to 922,599.90, 1,383,899.85 and 501,659.10 is: 752,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,599.90 : 1,383,899.85 = 501,659.10 : x
  2. Step 2: Convert to fraction form
    922,599.90/1,383,899.85 = 501,659.10/x
  3. Step 3: Cross multiply
    922,599.90x = 1,383,899.85 × 501,659.10
  4. Step 4: Simplify right side
    922,599.90x = 694,245,953,241.14
  5. Step 5: Solve for x
    x = 694,245,953,241.14/922,599.90
  6. Step 6: Final answer
    x = 752,488.65

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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.