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Finding the Fourth Proportional to 291,559.80, 437,188.50 and 133,652.28

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Solution

The fourth proportional to 291,559.80, 437,188.50 and 133,652.28 is: 200,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,559.80 : 437,188.50 = 133,652.28 : x
  2. Step 2: Convert to fraction form
    291,559.80/437,188.50 = 133,652.28/x
  3. Step 3: Cross multiply
    291,559.80x = 437,188.50 × 133,652.28
  4. Step 4: Simplify right side
    291,559.80x = 58,431,239,814.78
  5. Step 5: Solve for x
    x = 58,431,239,814.78/291,559.80
  6. Step 6: Final answer
    x = 200,409.11

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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.