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Finding the Fourth Proportional to 516,924.72, 775,069.44 and 201,013.28

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Solution

The fourth proportional to 516,924.72, 775,069.44 and 201,013.28 is: 301,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,924.72 : 775,069.44 = 201,013.28 : x
  2. Step 2: Convert to fraction form
    516,924.72/775,069.44 = 201,013.28/x
  3. Step 3: Cross multiply
    516,924.72x = 775,069.44 × 201,013.28
  4. Step 4: Simplify right side
    516,924.72x = 155,799,250,362.16
  5. Step 5: Solve for x
    x = 155,799,250,362.16/516,924.72
  6. Step 6: Final answer
    x = 301,396.40

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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.