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Finding the Fourth Proportional to 604,814.20, 907,221.30 and 250,082.80

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Solution

The fourth proportional to 604,814.20, 907,221.30 and 250,082.80 is: 375,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,814.20 : 907,221.30 = 250,082.80 : x
  2. Step 2: Convert to fraction form
    604,814.20/907,221.30 = 250,082.80/x
  3. Step 3: Cross multiply
    604,814.20x = 907,221.30 × 250,082.80
  4. Step 4: Simplify right side
    604,814.20x = 226,880,442,923.64
  5. Step 5: Solve for x
    x = 226,880,442,923.64/604,814.20
  6. Step 6: Final answer
    x = 375,124.20

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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.