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Finding the Fourth Proportional to 613,823.88, 846,847.62 and 612,877.80

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Solution

The fourth proportional to 613,823.88, 846,847.62 and 612,877.80 is: 845,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,823.88 : 846,847.62 = 612,877.80 : x
  2. Step 2: Convert to fraction form
    613,823.88/846,847.62 = 612,877.80/x
  3. Step 3: Cross multiply
    613,823.88x = 846,847.62 × 612,877.80
  4. Step 4: Simplify right side
    613,823.88x = 519,014,106,280.84
  5. Step 5: Solve for x
    x = 519,014,106,280.84/613,823.88
  6. Step 6: Final answer
    x = 845,542.38

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1.5x scale

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.