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Finding the Fourth Proportional to 504,806.90, 757,046.58 and 167,756.98

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Solution

The fourth proportional to 504,806.90, 757,046.58 and 167,756.98 is: 251,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,806.90 : 757,046.58 = 167,756.98 : x
  2. Step 2: Convert to fraction form
    504,806.90/757,046.58 = 167,756.98/x
  3. Step 3: Cross multiply
    504,806.90x = 757,046.58 × 167,756.98
  4. Step 4: Simplify right side
    504,806.90x = 126,999,847,980.13
  5. Step 5: Solve for x
    x = 126,999,847,980.13/504,806.90
  6. Step 6: Final answer
    x = 251,581.05

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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.