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Finding the Fourth Proportional to 404,274.47, 606,280.51 and 134,330.11

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Solution

The fourth proportional to 404,274.47, 606,280.51 and 134,330.11 is: 201,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,274.47 : 606,280.51 = 134,330.11 : x
  2. Step 2: Convert to fraction form
    404,274.47/606,280.51 = 134,330.11/x
  3. Step 3: Cross multiply
    404,274.47x = 606,280.51 × 134,330.11
  4. Step 4: Simplify right side
    404,274.47x = 81,441,729,661.70
  5. Step 5: Solve for x
    x = 81,441,729,661.70/404,274.47
  6. Step 6: Final answer
    x = 201,451.58

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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.