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Finding the Fourth Proportional to 369,757.16, 510,263.70 and 199,991.24

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Solution

The fourth proportional to 369,757.16, 510,263.70 and 199,991.24 is: 275,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,757.16 : 510,263.70 = 199,991.24 : x
  2. Step 2: Convert to fraction form
    369,757.16/510,263.70 = 199,991.24/x
  3. Step 3: Cross multiply
    369,757.16x = 510,263.70 × 199,991.24
  4. Step 4: Simplify right side
    369,757.16x = 102,048,270,089.99
  5. Step 5: Solve for x
    x = 102,048,270,089.99/369,757.16
  6. Step 6: Final answer
    x = 275,987.27

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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.