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Finding the Fourth Proportional to 370,516.08, 511,308.84 and 200,749.68

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Solution

The fourth proportional to 370,516.08, 511,308.84 and 200,749.68 is: 277,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,516.08 : 511,308.84 = 200,749.68 : x
  2. Step 2: Convert to fraction form
    370,516.08/511,308.84 = 200,749.68/x
  3. Step 3: Cross multiply
    370,516.08x = 511,308.84 × 200,749.68
  4. Step 4: Simplify right side
    370,516.08x = 102,645,086,011.17
  5. Step 5: Solve for x
    x = 102,645,086,011.17/370,516.08
  6. Step 6: Final answer
    x = 277,032.74

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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.