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Finding the Fourth Proportional to 514,874.20, 770,561.70 and 451,888.60

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Solution

The fourth proportional to 514,874.20, 770,561.70 and 451,888.60 is: 676,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,874.20 : 770,561.70 = 451,888.60 : x
  2. Step 2: Convert to fraction form
    514,874.20/770,561.70 = 451,888.60/x
  3. Step 3: Cross multiply
    514,874.20x = 770,561.70 × 451,888.60
  4. Step 4: Simplify right side
    514,874.20x = 348,208,047,826.62
  5. Step 5: Solve for x
    x = 348,208,047,826.62/514,874.20
  6. Step 6: Final answer
    x = 676,297.33

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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.