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Finding the Fourth Proportional to 490,287.98, 735,653.76 and 250,277.90

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Solution

The fourth proportional to 490,287.98, 735,653.76 and 250,277.90 is: 375,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,287.98 : 735,653.76 = 250,277.90 : x
  2. Step 2: Convert to fraction form
    490,287.98/735,653.76 = 250,277.90/x
  3. Step 3: Cross multiply
    490,287.98x = 735,653.76 × 250,277.90
  4. Step 4: Simplify right side
    490,287.98x = 184,117,878,179.90
  5. Step 5: Solve for x
    x = 184,117,878,179.90/490,287.98
  6. Step 6: Final answer
    x = 375,530.07

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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.