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Finding the Fourth Proportional to 366,678.94, 549,905.82 and 253,553.61

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Solution

The fourth proportional to 366,678.94, 549,905.82 and 253,553.61 is: 380,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,678.94 : 549,905.82 = 253,553.61 : x
  2. Step 2: Convert to fraction form
    366,678.94/549,905.82 = 253,553.61/x
  3. Step 3: Cross multiply
    366,678.94x = 549,905.82 × 253,553.61
  4. Step 4: Simplify right side
    366,678.94x = 139,430,606,494.01
  5. Step 5: Solve for x
    x = 139,430,606,494.01/366,678.94
  6. Step 6: Final answer
    x = 380,252.56

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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.