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Finding the Fourth Proportional to 404,390.58, 606,663.60 and 155,053.14

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Solution

The fourth proportional to 404,390.58, 606,663.60 and 155,053.14 is: 232,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,390.58 : 606,663.60 = 155,053.14 : x
  2. Step 2: Convert to fraction form
    404,390.58/606,663.60 = 155,053.14/x
  3. Step 3: Cross multiply
    404,390.58x = 606,663.60 × 155,053.14
  4. Step 4: Simplify right side
    404,390.58x = 94,065,096,103.70
  5. Step 5: Solve for x
    x = 94,065,096,103.70/404,390.58
  6. Step 6: Final answer
    x = 232,609.51

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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.