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Finding the Fourth Proportional to 504,780.21, 757,317.94 and 149,803.46

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Solution

The fourth proportional to 504,780.21, 757,317.94 and 149,803.46 is: 224,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,780.21 : 757,317.94 = 149,803.46 : x
  2. Step 2: Convert to fraction form
    504,780.21/757,317.94 = 149,803.46/x
  3. Step 3: Cross multiply
    504,780.21x = 757,317.94 × 149,803.46
  4. Step 4: Simplify right side
    504,780.21x = 113,448,847,732.07
  5. Step 5: Solve for x
    x = 113,448,847,732.07/504,780.21
  6. Step 6: Final answer
    x = 224,749.00

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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.