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Finding the Fourth Proportional to 367,908.86, 552,925.49 and 342,366.72

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Solution

The fourth proportional to 367,908.86, 552,925.49 and 342,366.72 is: 514,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,908.86 : 552,925.49 = 342,366.72 : x
  2. Step 2: Convert to fraction form
    367,908.86/552,925.49 = 342,366.72/x
  3. Step 3: Cross multiply
    367,908.86x = 552,925.49 × 342,366.72
  4. Step 4: Simplify right side
    367,908.86x = 189,303,286,415.69
  5. Step 5: Solve for x
    x = 189,303,286,415.69/367,908.86
  6. Step 6: Final answer
    x = 514,538.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.