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Finding the Fourth Proportional to 591,093.20, 886,639.80 and 514,110.80

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Solution

The fourth proportional to 591,093.20, 886,639.80 and 514,110.80 is: 771,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,093.20 : 886,639.80 = 514,110.80 : x
  2. Step 2: Convert to fraction form
    591,093.20/886,639.80 = 514,110.80/x
  3. Step 3: Cross multiply
    591,093.20x = 886,639.80 × 514,110.80
  4. Step 4: Simplify right side
    591,093.20x = 455,831,096,889.84
  5. Step 5: Solve for x
    x = 455,831,096,889.84/591,093.20
  6. Step 6: Final answer
    x = 771,166.20

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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.