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Finding the Fourth Proportional to 441,006.24, 661,509.36 and 108,582.24

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Solution

The fourth proportional to 441,006.24, 661,509.36 and 108,582.24 is: 162,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,006.24 : 661,509.36 = 108,582.24 : x
  2. Step 2: Convert to fraction form
    441,006.24/661,509.36 = 108,582.24/x
  3. Step 3: Cross multiply
    441,006.24x = 661,509.36 × 108,582.24
  4. Step 4: Simplify right side
    441,006.24x = 71,828,168,089.77
  5. Step 5: Solve for x
    x = 71,828,168,089.77/441,006.24
  6. Step 6: Final answer
    x = 162,873.36

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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.