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Finding the Fourth Proportional to 266,603.40, 365,954.31 and 235,712.03

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Solution

The fourth proportional to 266,603.40, 365,954.31 and 235,712.03 is: 323,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,603.40 : 365,954.31 = 235,712.03 : x
  2. Step 2: Convert to fraction form
    266,603.40/365,954.31 = 235,712.03/x
  3. Step 3: Cross multiply
    266,603.40x = 365,954.31 × 235,712.03
  4. Step 4: Simplify right side
    266,603.40x = 86,259,830,878.30
  5. Step 5: Solve for x
    x = 86,259,830,878.30/266,603.40
  6. Step 6: Final answer
    x = 323,551.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.