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Finding the Fourth Proportional to 590,467.60, 885,701.40 and 324,747.10

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Solution

The fourth proportional to 590,467.60, 885,701.40 and 324,747.10 is: 487,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,467.60 : 885,701.40 = 324,747.10 : x
  2. Step 2: Convert to fraction form
    590,467.60/885,701.40 = 324,747.10/x
  3. Step 3: Cross multiply
    590,467.60x = 885,701.40 × 324,747.10
  4. Step 4: Simplify right side
    590,467.60x = 287,628,961,115.94
  5. Step 5: Solve for x
    x = 287,628,961,115.94/590,467.60
  6. Step 6: Final answer
    x = 487,120.65

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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.