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Finding the Fourth Proportional to 451,161.95, 622,562.09 and 260,138.44

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Solution

The fourth proportional to 451,161.95, 622,562.09 and 260,138.44 is: 358,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,161.95 : 622,562.09 = 260,138.44 : x
  2. Step 2: Convert to fraction form
    451,161.95/622,562.09 = 260,138.44/x
  3. Step 3: Cross multiply
    451,161.95x = 622,562.09 × 260,138.44
  4. Step 4: Simplify right side
    451,161.95x = 161,952,330,895.74
  5. Step 5: Solve for x
    x = 161,952,330,895.74/451,161.95
  6. Step 6: Final answer
    x = 358,967.18

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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.