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Finding the Fourth Proportional to 404,589.58, 606,913.62 and 155,271.58

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Solution

The fourth proportional to 404,589.58, 606,913.62 and 155,271.58 is: 232,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,589.58 : 606,913.62 = 155,271.58 : x
  2. Step 2: Convert to fraction form
    404,589.58/606,913.62 = 155,271.58/x
  3. Step 3: Cross multiply
    404,589.58x = 606,913.62 × 155,271.58
  4. Step 4: Simplify right side
    404,589.58x = 94,236,436,700.92
  5. Step 5: Solve for x
    x = 94,236,436,700.92/404,589.58
  6. Step 6: Final answer
    x = 232,918.60

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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.