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Finding the Fourth Proportional to 364,412.72, 546,622.34 and 127,755.04

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Solution

The fourth proportional to 364,412.72, 546,622.34 and 127,755.04 is: 191,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,412.72 : 546,622.34 = 127,755.04 : x
  2. Step 2: Convert to fraction form
    364,412.72/546,622.34 = 127,755.04/x
  3. Step 3: Cross multiply
    364,412.72x = 546,622.34 × 127,755.04
  4. Step 4: Simplify right side
    364,412.72x = 69,833,758,911.59
  5. Step 5: Solve for x
    x = 69,833,758,911.59/364,412.72
  6. Step 6: Final answer
    x = 191,633.70

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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.