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Finding the Fourth Proportional to 404,792.64, 606,376.80 and 371,723.04

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Solution

The fourth proportional to 404,792.64, 606,376.80 and 371,723.04 is: 556,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,792.64 : 606,376.80 = 371,723.04 : x
  2. Step 2: Convert to fraction form
    404,792.64/606,376.80 = 371,723.04/x
  3. Step 3: Cross multiply
    404,792.64x = 606,376.80 × 371,723.04
  4. Step 4: Simplify right side
    404,792.64x = 225,404,227,481.47
  5. Step 5: Solve for x
    x = 225,404,227,481.47/404,792.64
  6. Step 6: Final answer
    x = 556,838.75

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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.