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Finding the Fourth Proportional to 616,893.60, 926,722.80 and 591,703.20

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Solution

The fourth proportional to 616,893.60, 926,722.80 and 591,703.20 is: 888,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,893.60 : 926,722.80 = 591,703.20 : x
  2. Step 2: Convert to fraction form
    616,893.60/926,722.80 = 591,703.20/x
  3. Step 3: Cross multiply
    616,893.60x = 926,722.80 × 591,703.20
  4. Step 4: Simplify right side
    616,893.60x = 548,344,846,272.96
  5. Step 5: Solve for x
    x = 548,344,846,272.96/616,893.60
  6. Step 6: Final answer
    x = 888,880.75

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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.