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Finding the Fourth Proportional to 484,106.96, 668,016.42 and 269,212.28

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Solution

The fourth proportional to 484,106.96, 668,016.42 and 269,212.28 is: 371,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,106.96 : 668,016.42 = 269,212.28 : x
  2. Step 2: Convert to fraction form
    484,106.96/668,016.42 = 269,212.28/x
  3. Step 3: Cross multiply
    484,106.96x = 668,016.42 × 269,212.28
  4. Step 4: Simplify right side
    484,106.96x = 179,838,223,505.64
  5. Step 5: Solve for x
    x = 179,838,223,505.64/484,106.96
  6. Step 6: Final answer
    x = 371,484.48

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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.