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Finding the Fourth Proportional to 370,096.73, 510,733.35 and 200,330.86

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Solution

The fourth proportional to 370,096.73, 510,733.35 and 200,330.86 is: 276,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,096.73 : 510,733.35 = 200,330.86 : x
  2. Step 2: Convert to fraction form
    370,096.73/510,733.35 = 200,330.86/x
  3. Step 3: Cross multiply
    370,096.73x = 510,733.35 × 200,330.86
  4. Step 4: Simplify right side
    370,096.73x = 102,315,648,682.51
  5. Step 5: Solve for x
    x = 102,315,648,682.51/370,096.73
  6. Step 6: Final answer
    x = 276,456.51

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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.