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Finding the Fourth Proportional to 587,230.60, 880,845.90 and 539,991.40

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Solution

The fourth proportional to 587,230.60, 880,845.90 and 539,991.40 is: 809,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,230.60 : 880,845.90 = 539,991.40 : x
  2. Step 2: Convert to fraction form
    587,230.60/880,845.90 = 539,991.40/x
  3. Step 3: Cross multiply
    587,230.60x = 880,845.90 × 539,991.40
  4. Step 4: Simplify right side
    587,230.60x = 475,649,210,725.26
  5. Step 5: Solve for x
    x = 475,649,210,725.26/587,230.60
  6. Step 6: Final answer
    x = 809,987.10

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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.