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Finding the Fourth Proportional to 266,859.48, 368,264.58 and 145,998.52

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Solution

The fourth proportional to 266,859.48, 368,264.58 and 145,998.52 is: 201,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,859.48 : 368,264.58 = 145,998.52 : x
  2. Step 2: Convert to fraction form
    266,859.48/368,264.58 = 145,998.52/x
  3. Step 3: Cross multiply
    266,859.48x = 368,264.58 × 145,998.52
  4. Step 4: Simplify right side
    266,859.48x = 53,766,083,648.42
  5. Step 5: Solve for x
    x = 53,766,083,648.42/266,859.48
  6. Step 6: Final answer
    x = 201,477.14

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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.