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Finding the Fourth Proportional to 404,004.70, 606,003.30 and 154,686.70

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Solution

The fourth proportional to 404,004.70, 606,003.30 and 154,686.70 is: 232,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,004.70 : 606,003.30 = 154,686.70 : x
  2. Step 2: Convert to fraction form
    404,004.70/606,003.30 = 154,686.70/x
  3. Step 3: Cross multiply
    404,004.70x = 606,003.30 × 154,686.70
  4. Step 4: Simplify right side
    404,004.70x = 93,740,650,666.11
  5. Step 5: Solve for x
    x = 93,740,650,666.11/404,004.70
  6. Step 6: Final answer
    x = 232,028.61

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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.