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Finding the Fourth Proportional to 363,644.61, 545,552.78 and 114,326.61

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Solution

The fourth proportional to 363,644.61, 545,552.78 and 114,326.61 is: 171,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,644.61 : 545,552.78 = 114,326.61 : x
  2. Step 2: Convert to fraction form
    363,644.61/545,552.78 = 114,326.61/x
  3. Step 3: Cross multiply
    363,644.61x = 545,552.78 × 114,326.61
  4. Step 4: Simplify right side
    363,644.61x = 62,371,199,341.84
  5. Step 5: Solve for x
    x = 62,371,199,341.84/363,644.61
  6. Step 6: Final answer
    x = 171,516.91

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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.