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Finding the Fourth Proportional to 504,642.78, 756,835.26 and 149,573.76

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Solution

The fourth proportional to 504,642.78, 756,835.26 and 149,573.76 is: 224,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,642.78 : 756,835.26 = 149,573.76 : x
  2. Step 2: Convert to fraction form
    504,642.78/756,835.26 = 149,573.76/x
  3. Step 3: Cross multiply
    504,642.78x = 756,835.26 × 149,573.76
  4. Step 4: Simplify right side
    504,642.78x = 113,202,695,538.78
  5. Step 5: Solve for x
    x = 113,202,695,538.78/504,642.78
  6. Step 6: Final answer
    x = 224,322.43

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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.