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Finding the Fourth Proportional to 266,903.40, 368,323.56 and 146,043.30

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Solution

The fourth proportional to 266,903.40, 368,323.56 and 146,043.30 is: 201,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,903.40 : 368,323.56 = 146,043.30 : x
  2. Step 2: Convert to fraction form
    266,903.40/368,323.56 = 146,043.30/x
  3. Step 3: Cross multiply
    266,903.40x = 368,323.56 × 146,043.30
  4. Step 4: Simplify right side
    266,903.40x = 53,791,188,170.15
  5. Step 5: Solve for x
    x = 53,791,188,170.15/266,903.40
  6. Step 6: Final answer
    x = 201,538.04

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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.