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Finding the Fourth Proportional to 499,788.36, 749,682.54 and 144,802.62

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Solution

The fourth proportional to 499,788.36, 749,682.54 and 144,802.62 is: 217,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,788.36 : 749,682.54 = 144,802.62 : x
  2. Step 2: Convert to fraction form
    499,788.36/749,682.54 = 144,802.62/x
  3. Step 3: Cross multiply
    499,788.36x = 749,682.54 × 144,802.62
  4. Step 4: Simplify right side
    499,788.36x = 108,555,995,960.26
  5. Step 5: Solve for x
    x = 108,555,995,960.26/499,788.36
  6. Step 6: Final answer
    x = 217,203.93

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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.