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Finding the Fourth Proportional to 501,241.77, 750,192.80 and 400,931.37

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Solution

The fourth proportional to 501,241.77, 750,192.80 and 400,931.37 is: 600,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,241.77 : 750,192.80 = 400,931.37 : x
  2. Step 2: Convert to fraction form
    501,241.77/750,192.80 = 400,931.37/x
  3. Step 3: Cross multiply
    501,241.77x = 750,192.80 × 400,931.37
  4. Step 4: Simplify right side
    501,241.77x = 300,775,825,063.48
  5. Step 5: Solve for x
    x = 300,775,825,063.48/501,241.77
  6. Step 6: Final answer
    x = 600,061.37

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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.