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Finding the Fourth Proportional to 404,795.64, 606,381.30 and 371,726.04

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Solution

The fourth proportional to 404,795.64, 606,381.30 and 371,726.04 is: 556,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,795.64 : 606,381.30 = 371,726.04 : x
  2. Step 2: Convert to fraction form
    404,795.64/606,381.30 = 371,726.04/x
  3. Step 3: Cross multiply
    404,795.64x = 606,381.30 × 371,726.04
  4. Step 4: Simplify right side
    404,795.64x = 225,407,719,379.05
  5. Step 5: Solve for x
    x = 225,407,719,379.05/404,795.64
  6. Step 6: Final answer
    x = 556,843.25

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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.