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Finding the Fourth Proportional to 404,737.05, 607,097.24 and 134,884.78

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Solution

The fourth proportional to 404,737.05, 607,097.24 and 134,884.78 is: 202,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,737.05 : 607,097.24 = 134,884.78 : x
  2. Step 2: Convert to fraction form
    404,737.05/607,097.24 = 134,884.78/x
  3. Step 3: Cross multiply
    404,737.05x = 607,097.24 × 134,884.78
  4. Step 4: Simplify right side
    404,737.05x = 81,888,175,969.66
  5. Step 5: Solve for x
    x = 81,888,175,969.66/404,737.05
  6. Step 6: Final answer
    x = 202,324.39

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1.5x scale

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.