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Finding the Fourth Proportional to 366,956.15, 512,688.85 and 366,956.15

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Solution

The fourth proportional to 366,956.15, 512,688.85 and 366,956.15 is: 512,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.15 : 512,688.85 = 366,956.15 : x
  2. Step 2: Convert to fraction form
    366,956.15/512,688.85 = 366,956.15/x
  3. Step 3: Cross multiply
    366,956.15x = 512,688.85 × 366,956.15
  4. Step 4: Simplify right side
    366,956.15x = 188,134,326,543.93
  5. Step 5: Solve for x
    x = 188,134,326,543.93/366,956.15
  6. Step 6: Final answer
    x = 512,688.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.