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Finding the Fourth Proportional to 404,725.26, 607,114.14 and 134,841.90

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Solution

The fourth proportional to 404,725.26, 607,114.14 and 134,841.90 is: 202,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,725.26 : 607,114.14 = 134,841.90 : x
  2. Step 2: Convert to fraction form
    404,725.26/607,114.14 = 134,841.90/x
  3. Step 3: Cross multiply
    404,725.26x = 607,114.14 × 134,841.90
  4. Step 4: Simplify right side
    404,725.26x = 81,864,424,154.47
  5. Step 5: Solve for x
    x = 81,864,424,154.47/404,725.26
  6. Step 6: Final answer
    x = 202,271.60

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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.