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Finding the Fourth Proportional to 448,000.47, 618,212.66 and 246,796.47

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Solution

The fourth proportional to 448,000.47, 618,212.66 and 246,796.47 is: 340,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,000.47 : 618,212.66 = 246,796.47 : x
  2. Step 2: Convert to fraction form
    448,000.47/618,212.66 = 246,796.47/x
  3. Step 3: Cross multiply
    448,000.47x = 618,212.66 × 246,796.47
  4. Step 4: Simplify right side
    448,000.47x = 152,572,700,963.33
  5. Step 5: Solve for x
    x = 152,572,700,963.33/448,000.47
  6. Step 6: Final answer
    x = 340,563.71

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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.