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Finding the Fourth Proportional to 448,480.22, 618,873.27 and 247,277.66

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Solution

The fourth proportional to 448,480.22, 618,873.27 and 247,277.66 is: 341,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.22 : 618,873.27 = 247,277.66 : x
  2. Step 2: Convert to fraction form
    448,480.22/618,873.27 = 247,277.66/x
  3. Step 3: Cross multiply
    448,480.22x = 618,873.27 × 247,277.66
  4. Step 4: Simplify right side
    448,480.22x = 153,033,534,042.15
  5. Step 5: Solve for x
    x = 153,033,534,042.15/448,480.22
  6. Step 6: Final answer
    x = 341,226.94

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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.