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Finding the Fourth Proportional to 607,886.50, 838,963.56 and 587,924.40

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Solution

The fourth proportional to 607,886.50, 838,963.56 and 587,924.40 is: 811,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,886.50 : 838,963.56 = 587,924.40 : x
  2. Step 2: Convert to fraction form
    607,886.50/838,963.56 = 587,924.40/x
  3. Step 3: Cross multiply
    607,886.50x = 838,963.56 × 587,924.40
  4. Step 4: Simplify right side
    607,886.50x = 493,247,147,634.86
  5. Step 5: Solve for x
    x = 493,247,147,634.86/607,886.50
  6. Step 6: Final answer
    x = 811,413.23

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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.