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Finding the Fourth Proportional to 519,262.22, 716,309.44 and 451,126.10

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Solution

The fourth proportional to 519,262.22, 716,309.44 and 451,126.10 is: 622,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,262.22 : 716,309.44 = 451,126.10 : x
  2. Step 2: Convert to fraction form
    519,262.22/716,309.44 = 451,126.10/x
  3. Step 3: Cross multiply
    519,262.22x = 716,309.44 × 451,126.10
  4. Step 4: Simplify right side
    519,262.22x = 323,145,879,351.02
  5. Step 5: Solve for x
    x = 323,145,879,351.02/519,262.22
  6. Step 6: Final answer
    x = 622,317.34

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1.5x scale

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.