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Finding the Fourth Proportional to 266,963.40, 368,409.46 and 146,104.84

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Solution

The fourth proportional to 266,963.40, 368,409.46 and 146,104.84 is: 201,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,963.40 : 368,409.46 = 146,104.84 : x
  2. Step 2: Convert to fraction form
    266,963.40/368,409.46 = 146,104.84/x
  3. Step 3: Cross multiply
    266,963.40x = 368,409.46 × 146,104.84
  4. Step 4: Simplify right side
    266,963.40x = 53,826,405,207.79
  5. Step 5: Solve for x
    x = 53,826,405,207.79/266,963.40
  6. Step 6: Final answer
    x = 201,624.66

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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.