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Finding the Fourth Proportional to 442,571.89, 610,746.42 and 251,585.28

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Solution

The fourth proportional to 442,571.89, 610,746.42 and 251,585.28 is: 347,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,571.89 : 610,746.42 = 251,585.28 : x
  2. Step 2: Convert to fraction form
    442,571.89/610,746.42 = 251,585.28/x
  3. Step 3: Cross multiply
    442,571.89x = 610,746.42 × 251,585.28
  4. Step 4: Simplify right side
    442,571.89x = 153,654,809,084.70
  5. Step 5: Solve for x
    x = 153,654,809,084.70/442,571.89
  6. Step 6: Final answer
    x = 347,186.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.