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Finding the Fourth Proportional to 696,612.42, 960,435.21 and 451,163.52

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Solution

The fourth proportional to 696,612.42, 960,435.21 and 451,163.52 is: 622,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,612.42 : 960,435.21 = 451,163.52 : x
  2. Step 2: Convert to fraction form
    696,612.42/960,435.21 = 451,163.52/x
  3. Step 3: Cross multiply
    696,612.42x = 960,435.21 × 451,163.52
  4. Step 4: Simplify right side
    696,612.42x = 433,313,330,075.54
  5. Step 5: Solve for x
    x = 433,313,330,075.54/696,612.42
  6. Step 6: Final answer
    x = 622,029.29

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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.