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Finding the Fourth Proportional to 616,873.60, 926,692.80 and 591,683.20

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Solution

The fourth proportional to 616,873.60, 926,692.80 and 591,683.20 is: 888,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,873.60 : 926,692.80 = 591,683.20 : x
  2. Step 2: Convert to fraction form
    616,873.60/926,692.80 = 591,683.20/x
  3. Step 3: Cross multiply
    616,873.60x = 926,692.80 × 591,683.20
  4. Step 4: Simplify right side
    616,873.60x = 548,308,561,320.96
  5. Step 5: Solve for x
    x = 548,308,561,320.96/616,873.60
  6. Step 6: Final answer
    x = 888,850.75

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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.