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Finding the Fourth Proportional to 367,213.50, 550,303.38 and 291,999.87

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Solution

The fourth proportional to 367,213.50, 550,303.38 and 291,999.87 is: 437,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,213.50 : 550,303.38 = 291,999.87 : x
  2. Step 2: Convert to fraction form
    367,213.50/550,303.38 = 291,999.87/x
  3. Step 3: Cross multiply
    367,213.50x = 550,303.38 × 291,999.87
  4. Step 4: Simplify right side
    367,213.50x = 160,688,515,420.56
  5. Step 5: Solve for x
    x = 160,688,515,420.56/367,213.50
  6. Step 6: Final answer
    x = 437,588.80

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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.