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Finding the Fourth Proportional to 493,513.36, 740,274.40 and 119,536.72

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Solution

The fourth proportional to 493,513.36, 740,274.40 and 119,536.72 is: 179,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,513.36 : 740,274.40 = 119,536.72 : x
  2. Step 2: Convert to fraction form
    493,513.36/740,274.40 = 119,536.72/x
  3. Step 3: Cross multiply
    493,513.36x = 740,274.40 × 119,536.72
  4. Step 4: Simplify right side
    493,513.36x = 88,489,973,675.97
  5. Step 5: Solve for x
    x = 88,489,973,675.97/493,513.36
  6. Step 6: Final answer
    x = 179,306.14

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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.