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Finding the Fourth Proportional to 504,723.32, 757,221.06 and 167,818.40

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Solution

The fourth proportional to 504,723.32, 757,221.06 and 167,818.40 is: 251,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,723.32 : 757,221.06 = 167,818.40 : x
  2. Step 2: Convert to fraction form
    504,723.32/757,221.06 = 167,818.40/x
  3. Step 3: Cross multiply
    504,723.32x = 757,221.06 × 167,818.40
  4. Step 4: Simplify right side
    504,723.32x = 127,075,626,735.50
  5. Step 5: Solve for x
    x = 127,075,626,735.50/504,723.32
  6. Step 6: Final answer
    x = 251,772.85

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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.