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Finding the Fourth Proportional to 591,607.40, 886,098.90 and 236,438.60

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Solution

The fourth proportional to 591,607.40, 886,098.90 and 236,438.60 is: 354,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,607.40 : 886,098.90 = 236,438.60 : x
  2. Step 2: Convert to fraction form
    591,607.40/886,098.90 = 236,438.60/x
  3. Step 3: Cross multiply
    591,607.40x = 886,098.90 × 236,438.60
  4. Step 4: Simplify right side
    591,607.40x = 209,507,983,377.54
  5. Step 5: Solve for x
    x = 209,507,983,377.54/591,607.40
  6. Step 6: Final answer
    x = 354,133.47

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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.