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Finding the Fourth Proportional to 591,617.40, 886,113.90 and 236,448.60

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Solution

The fourth proportional to 591,617.40, 886,113.90 and 236,448.60 is: 354,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,617.40 : 886,113.90 = 236,448.60 : x
  2. Step 2: Convert to fraction form
    591,617.40/886,113.90 = 236,448.60/x
  3. Step 3: Cross multiply
    591,617.40x = 886,113.90 × 236,448.60
  4. Step 4: Simplify right side
    591,617.40x = 209,520,391,095.54
  5. Step 5: Solve for x
    x = 209,520,391,095.54/591,617.40
  6. Step 6: Final answer
    x = 354,148.46

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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.