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Finding the Fourth Proportional to 591,003, 886,504.50 and 147,771

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Solution

The fourth proportional to 591,003, 886,504.50 and 147,771 is: 221,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,003 : 886,504.50 = 147,771 : x
  2. Step 2: Convert to fraction form
    591,003/886,504.50 = 147,771/x
  3. Step 3: Cross multiply
    591,003x = 886,504.50 × 147,771
  4. Step 4: Simplify right side
    591,003x = 130,999,656,469.50
  5. Step 5: Solve for x
    x = 130,999,656,469.50/591,003
  6. Step 6: Final answer
    x = 221,656.50

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1.5x scale

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.