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Finding the Fourth Proportional to 591,091.70, 886,054.35 and 235,631.30

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Solution

The fourth proportional to 591,091.70, 886,054.35 and 235,631.30 is: 353,214.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,091.70 : 886,054.35 = 235,631.30 : x
  2. Step 2: Convert to fraction form
    591,091.70/886,054.35 = 235,631.30/x
  3. Step 3: Cross multiply
    591,091.70x = 886,054.35 × 235,631.30
  4. Step 4: Simplify right side
    591,091.70x = 208,782,138,361.16
  5. Step 5: Solve for x
    x = 208,782,138,361.16/591,091.70
  6. Step 6: Final answer
    x = 353,214.46

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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.