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Finding the Fourth Proportional to 369,758.36, 510,266.58 and 199,992.48

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Solution

The fourth proportional to 369,758.36, 510,266.58 and 199,992.48 is: 275,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,758.36 : 510,266.58 = 199,992.48 : x
  2. Step 2: Convert to fraction form
    369,758.36/510,266.58 = 199,992.48/x
  3. Step 3: Cross multiply
    369,758.36x = 510,266.58 × 199,992.48
  4. Step 4: Simplify right side
    369,758.36x = 102,049,478,795.32
  5. Step 5: Solve for x
    x = 102,049,478,795.32/369,758.36
  6. Step 6: Final answer
    x = 275,989.65

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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.