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Finding the Fourth Proportional to 373,814.19, 560,729.25 and 133,943.76

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Solution

The fourth proportional to 373,814.19, 560,729.25 and 133,943.76 is: 200,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,814.19 : 560,729.25 = 133,943.76 : x
  2. Step 2: Convert to fraction form
    373,814.19/560,729.25 = 133,943.76/x
  3. Step 3: Cross multiply
    373,814.19x = 560,729.25 × 133,943.76
  4. Step 4: Simplify right side
    373,814.19x = 75,106,184,086.98
  5. Step 5: Solve for x
    x = 75,106,184,086.98/373,814.19
  6. Step 6: Final answer
    x = 200,918.49

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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.