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Finding the Fourth Proportional to 484,477.39, 668,610.21 and 269,616.79

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Solution

The fourth proportional to 484,477.39, 668,610.21 and 269,616.79 is: 372,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,477.39 : 668,610.21 = 269,616.79 : x
  2. Step 2: Convert to fraction form
    484,477.39/668,610.21 = 269,616.79/x
  3. Step 3: Cross multiply
    484,477.39x = 668,610.21 × 269,616.79
  4. Step 4: Simplify right side
    484,477.39x = 180,268,538,581.43
  5. Step 5: Solve for x
    x = 180,268,538,581.43/484,477.39
  6. Step 6: Final answer
    x = 372,088.65

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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.