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Finding the Fourth Proportional to 239,699.61, 359,085.77 and 200,768.90

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Solution

The fourth proportional to 239,699.61, 359,085.77 and 200,768.90 is: 300,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,699.61 : 359,085.77 = 200,768.90 : x
  2. Step 2: Convert to fraction form
    239,699.61/359,085.77 = 200,768.90/x
  3. Step 3: Cross multiply
    239,699.61x = 359,085.77 × 200,768.90
  4. Step 4: Simplify right side
    239,699.61x = 72,093,252,249.28
  5. Step 5: Solve for x
    x = 72,093,252,249.28/239,699.61
  6. Step 6: Final answer
    x = 300,765.00

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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.