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Finding the Fourth Proportional to 652,213.31, 900,183.45 and 423,054.59

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Solution

The fourth proportional to 652,213.31, 900,183.45 and 423,054.59 is: 583,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,213.31 : 900,183.45 = 423,054.59 : x
  2. Step 2: Convert to fraction form
    652,213.31/900,183.45 = 423,054.59/x
  3. Step 3: Cross multiply
    652,213.31x = 900,183.45 × 423,054.59
  4. Step 4: Simplify right side
    652,213.31x = 380,826,735,863.62
  5. Step 5: Solve for x
    x = 380,826,735,863.62/652,213.31
  6. Step 6: Final answer
    x = 583,899.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.