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Finding the Fourth Proportional to 590,914.10, 886,589.85 and 191,567.90

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Solution

The fourth proportional to 590,914.10, 886,589.85 and 191,567.90 is: 287,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,914.10 : 886,589.85 = 191,567.90 : x
  2. Step 2: Convert to fraction form
    590,914.10/886,589.85 = 191,567.90/x
  3. Step 3: Cross multiply
    590,914.10x = 886,589.85 × 191,567.90
  4. Step 4: Simplify right side
    590,914.10x = 169,842,155,725.82
  5. Step 5: Solve for x
    x = 169,842,155,725.82/590,914.10
  6. Step 6: Final answer
    x = 287,422.75

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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.