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Finding the Fourth Proportional to 484,548.69, 668,670.48 and 269,688.84

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Solution

The fourth proportional to 484,548.69, 668,670.48 and 269,688.84 is: 372,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,548.69 : 668,670.48 = 269,688.84 : x
  2. Step 2: Convert to fraction form
    484,548.69/668,670.48 = 269,688.84/x
  3. Step 3: Cross multiply
    484,548.69x = 668,670.48 × 269,688.84
  4. Step 4: Simplify right side
    484,548.69x = 180,332,966,093.44
  5. Step 5: Solve for x
    x = 180,332,966,093.44/484,548.69
  6. Step 6: Final answer
    x = 372,166.86

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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.