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Finding the Fourth Proportional to 501,266.70, 751,567.95 and 276,734.70

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Solution

The fourth proportional to 501,266.70, 751,567.95 and 276,734.70 is: 414,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,266.70 : 751,567.95 = 276,734.70 : x
  2. Step 2: Convert to fraction form
    501,266.70/751,567.95 = 276,734.70/x
  3. Step 3: Cross multiply
    501,266.70x = 751,567.95 × 276,734.70
  4. Step 4: Simplify right side
    501,266.70x = 207,984,931,172.87
  5. Step 5: Solve for x
    x = 207,984,931,172.87/501,266.70
  6. Step 6: Final answer
    x = 414,918.71

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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.