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Finding the Fourth Proportional to 484,469.49, 667,875.02 and 340,783.59

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Solution

The fourth proportional to 484,469.49, 667,875.02 and 340,783.59 is: 469,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469.49 : 667,875.02 = 340,783.59 : x
  2. Step 2: Convert to fraction form
    484,469.49/667,875.02 = 340,783.59/x
  3. Step 3: Cross multiply
    484,469.49x = 667,875.02 × 340,783.59
  4. Step 4: Simplify right side
    484,469.49x = 227,600,845,283.00
  5. Step 5: Solve for x
    x = 227,600,845,283.00/484,469.49
  6. Step 6: Final answer
    x = 469,793.97

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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.