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Finding the Fourth Proportional to 266,998.02, 368,455.99 and 144,490.33

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Solution

The fourth proportional to 266,998.02, 368,455.99 and 144,490.33 is: 199,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,998.02 : 368,455.99 = 144,490.33 : x
  2. Step 2: Convert to fraction form
    266,998.02/368,455.99 = 144,490.33/x
  3. Step 3: Cross multiply
    266,998.02x = 368,455.99 × 144,490.33
  4. Step 4: Simplify right side
    266,998.02x = 53,238,327,955.84
  5. Step 5: Solve for x
    x = 53,238,327,955.84/266,998.02
  6. Step 6: Final answer
    x = 199,395.96

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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.