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Finding the Fourth Proportional to 490,187.70, 735,356.25 and 250,170.53

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Solution

The fourth proportional to 490,187.70, 735,356.25 and 250,170.53 is: 375,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,187.70 : 735,356.25 = 250,170.53 : x
  2. Step 2: Convert to fraction form
    490,187.70/735,356.25 = 250,170.53/x
  3. Step 3: Cross multiply
    490,187.70x = 735,356.25 × 250,170.53
  4. Step 4: Simplify right side
    490,187.70x = 183,964,459,124.53
  5. Step 5: Solve for x
    x = 183,964,459,124.53/490,187.70
  6. Step 6: Final answer
    x = 375,293.91

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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.