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Finding the Fourth Proportional to 490,614.70, 736,250.10 and 224,238.10

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Solution

The fourth proportional to 490,614.70, 736,250.10 and 224,238.10 is: 336,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,614.70 : 736,250.10 = 224,238.10 : x
  2. Step 2: Convert to fraction form
    490,614.70/736,250.10 = 224,238.10/x
  3. Step 3: Cross multiply
    490,614.70x = 736,250.10 × 224,238.10
  4. Step 4: Simplify right side
    490,614.70x = 165,095,323,548.81
  5. Step 5: Solve for x
    x = 165,095,323,548.81/490,614.70
  6. Step 6: Final answer
    x = 336,507.09

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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.