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Finding the Fourth Proportional to 369,757.47, 510,263.64 and 199,991.19

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Solution

The fourth proportional to 369,757.47, 510,263.64 and 199,991.19 is: 275,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,757.47 : 510,263.64 = 199,991.19 : x
  2. Step 2: Convert to fraction form
    369,757.47/510,263.64 = 199,991.19/x
  3. Step 3: Cross multiply
    369,757.47x = 510,263.64 × 199,991.19
  4. Step 4: Simplify right side
    369,757.47x = 102,048,232,577.33
  5. Step 5: Solve for x
    x = 102,048,232,577.33/369,757.47
  6. Step 6: Final answer
    x = 275,986.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.