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Finding the Fourth Proportional to 366,478.29, 549,709.65 and 100,238.82

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Solution

The fourth proportional to 366,478.29, 549,709.65 and 100,238.82 is: 150,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,478.29 : 549,709.65 = 100,238.82 : x
  2. Step 2: Convert to fraction form
    366,478.29/549,709.65 = 100,238.82/x
  3. Step 3: Cross multiply
    366,478.29x = 549,709.65 × 100,238.82
  4. Step 4: Simplify right side
    366,478.29x = 55,102,246,658.61
  5. Step 5: Solve for x
    x = 55,102,246,658.61/366,478.29
  6. Step 6: Final answer
    x = 150,356.10

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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.