Home / 370,322.48-511,044.18-200,556.20

Finding the Fourth Proportional to 370,322.48, 511,044.18 and 200,556.20

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Solution

The fourth proportional to 370,322.48, 511,044.18 and 200,556.20 is: 276,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,322.48 : 511,044.18 = 200,556.20 : x
  2. Step 2: Convert to fraction form
    370,322.48/511,044.18 = 200,556.20/x
  3. Step 3: Cross multiply
    370,322.48x = 511,044.18 × 200,556.20
  4. Step 4: Simplify right side
    370,322.48x = 102,493,078,772.92
  5. Step 5: Solve for x
    x = 102,493,078,772.92/370,322.48
  6. Step 6: Final answer
    x = 276,767.10

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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.