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Finding the Fourth Proportional to 404,592.58, 606,918.12 and 155,274.58

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Solution

The fourth proportional to 404,592.58, 606,918.12 and 155,274.58 is: 232,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,592.58 : 606,918.12 = 155,274.58 : x
  2. Step 2: Convert to fraction form
    404,592.58/606,918.12 = 155,274.58/x
  3. Step 3: Cross multiply
    404,592.58x = 606,918.12 × 155,274.58
  4. Step 4: Simplify right side
    404,592.58x = 94,238,956,177.39
  5. Step 5: Solve for x
    x = 94,238,956,177.39/404,592.58
  6. Step 6: Final answer
    x = 232,923.10

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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.