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Finding the Fourth Proportional to 490,282.98, 735,646.26 and 250,272.90

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Solution

The fourth proportional to 490,282.98, 735,646.26 and 250,272.90 is: 375,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,282.98 : 735,646.26 = 250,272.90 : x
  2. Step 2: Convert to fraction form
    490,282.98/735,646.26 = 250,272.90/x
  3. Step 3: Cross multiply
    490,282.98x = 735,646.26 × 250,272.90
  4. Step 4: Simplify right side
    490,282.98x = 184,112,322,864.35
  5. Step 5: Solve for x
    x = 184,112,322,864.35/490,282.98
  6. Step 6: Final answer
    x = 375,522.57

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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.