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Finding the Fourth Proportional to 484,642.69, 668,801.27 and 266,846.84

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Solution

The fourth proportional to 484,642.69, 668,801.27 and 266,846.84 is: 368,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,642.69 : 668,801.27 = 266,846.84 : x
  2. Step 2: Convert to fraction form
    484,642.69/668,801.27 = 266,846.84/x
  3. Step 3: Cross multiply
    484,642.69x = 668,801.27 × 266,846.84
  4. Step 4: Simplify right side
    484,642.69x = 178,467,507,014.35
  5. Step 5: Solve for x
    x = 178,467,507,014.35/484,642.69
  6. Step 6: Final answer
    x = 368,245.53

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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.