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Finding the Fourth Proportional to 404,210.86, 606,444.23 and 119,902.51

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Solution

The fourth proportional to 404,210.86, 606,444.23 and 119,902.51 is: 179,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,210.86 : 606,444.23 = 119,902.51 : x
  2. Step 2: Convert to fraction form
    404,210.86/606,444.23 = 119,902.51/x
  3. Step 3: Cross multiply
    404,210.86x = 606,444.23 × 119,902.51
  4. Step 4: Simplify right side
    404,210.86x = 72,714,186,409.83
  5. Step 5: Solve for x
    x = 72,714,186,409.83/404,210.86
  6. Step 6: Final answer
    x = 179,891.72

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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.