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Finding the Fourth Proportional to 607,608.61, 838,571.13 and 366,013.15

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Solution

The fourth proportional to 607,608.61, 838,571.13 and 366,013.15 is: 505,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,608.61 : 838,571.13 = 366,013.15 : x
  2. Step 2: Convert to fraction form
    607,608.61/838,571.13 = 366,013.15/x
  3. Step 3: Cross multiply
    607,608.61x = 838,571.13 × 366,013.15
  4. Step 4: Simplify right side
    607,608.61x = 306,928,054,767.44
  5. Step 5: Solve for x
    x = 306,928,054,767.44/607,608.61
  6. Step 6: Final answer
    x = 505,141.06

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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.