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Finding the Fourth Proportional to 519,263.22, 716,310.82 and 451,127.10

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Solution

The fourth proportional to 519,263.22, 716,310.82 and 451,127.10 is: 622,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,263.22 : 716,310.82 = 451,127.10 : x
  2. Step 2: Convert to fraction form
    519,263.22/716,310.82 = 451,127.10/x
  3. Step 3: Cross multiply
    519,263.22x = 716,310.82 × 451,127.10
  4. Step 4: Simplify right side
    519,263.22x = 323,147,222,925.22
  5. Step 5: Solve for x
    x = 323,147,222,925.22/519,263.22
  6. Step 6: Final answer
    x = 622,318.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.