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Finding the Fourth Proportional to 370,398.66, 511,150.86 and 200,632.92

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Solution

The fourth proportional to 370,398.66, 511,150.86 and 200,632.92 is: 276,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,398.66 : 511,150.86 = 200,632.92 : x
  2. Step 2: Convert to fraction form
    370,398.66/511,150.86 = 200,632.92/x
  3. Step 3: Cross multiply
    370,398.66x = 511,150.86 × 200,632.92
  4. Step 4: Simplify right side
    370,398.66x = 102,553,689,602.31
  5. Step 5: Solve for x
    x = 102,553,689,602.31/370,398.66
  6. Step 6: Final answer
    x = 276,873.81

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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.