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Finding the Fourth Proportional to 500,321.38, 750,622.38 and 201,012.16

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Solution

The fourth proportional to 500,321.38, 750,622.38 and 201,012.16 is: 301,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,321.38 : 750,622.38 = 201,012.16 : x
  2. Step 2: Convert to fraction form
    500,321.38/750,622.38 = 201,012.16/x
  3. Step 3: Cross multiply
    500,321.38x = 750,622.38 × 201,012.16
  4. Step 4: Simplify right side
    500,321.38x = 150,884,225,948.14
  5. Step 5: Solve for x
    x = 150,884,225,948.14/500,321.38
  6. Step 6: Final answer
    x = 301,574.61

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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.