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Finding the Fourth Proportional to 591,201.70, 886,802.55 and 354,811.30

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Solution

The fourth proportional to 591,201.70, 886,802.55 and 354,811.30 is: 532,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,201.70 : 886,802.55 = 354,811.30 : x
  2. Step 2: Convert to fraction form
    591,201.70/886,802.55 = 354,811.30/x
  3. Step 3: Cross multiply
    591,201.70x = 886,802.55 × 354,811.30
  4. Step 4: Simplify right side
    591,201.70x = 314,647,565,608.82
  5. Step 5: Solve for x
    x = 314,647,565,608.82/591,201.70
  6. Step 6: Final answer
    x = 532,216.95

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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.