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Finding the Fourth Proportional to 404,064.51, 606,099.78 and 179,364.53

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Solution

The fourth proportional to 404,064.51, 606,099.78 and 179,364.53 is: 269,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,064.51 : 606,099.78 = 179,364.53 : x
  2. Step 2: Convert to fraction form
    404,064.51/606,099.78 = 179,364.53/x
  3. Step 3: Cross multiply
    404,064.51x = 606,099.78 × 179,364.53
  4. Step 4: Simplify right side
    404,064.51x = 108,712,803,688.05
  5. Step 5: Solve for x
    x = 108,712,803,688.05/404,064.51
  6. Step 6: Final answer
    x = 269,048.14

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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.