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Finding the Fourth Proportional to 654,996.34, 903,888.56 and 364,603.30

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Solution

The fourth proportional to 654,996.34, 903,888.56 and 364,603.30 is: 503,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,996.34 : 903,888.56 = 364,603.30 : x
  2. Step 2: Convert to fraction form
    654,996.34/903,888.56 = 364,603.30/x
  3. Step 3: Cross multiply
    654,996.34x = 903,888.56 × 364,603.30
  4. Step 4: Simplify right side
    654,996.34x = 329,560,751,808.25
  5. Step 5: Solve for x
    x = 329,560,751,808.25/654,996.34
  6. Step 6: Final answer
    x = 503,149.00

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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.