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Finding the Fourth Proportional to 504,712.32, 757,071.60 and 149,729.28

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Solution

The fourth proportional to 504,712.32, 757,071.60 and 149,729.28 is: 224,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,712.32 : 757,071.60 = 149,729.28 : x
  2. Step 2: Convert to fraction form
    504,712.32/757,071.60 = 149,729.28/x
  3. Step 3: Cross multiply
    504,712.32x = 757,071.60 × 149,729.28
  4. Step 4: Simplify right side
    504,712.32x = 113,355,785,576.45
  5. Step 5: Solve for x
    x = 113,355,785,576.45/504,712.32
  6. Step 6: Final answer
    x = 224,594.85

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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.