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Finding the Fourth Proportional to 654,994.34, 903,885.80 and 364,601.30

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Solution

The fourth proportional to 654,994.34, 903,885.80 and 364,601.30 is: 503,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,994.34 : 903,885.80 = 364,601.30 : x
  2. Step 2: Convert to fraction form
    654,994.34/903,885.80 = 364,601.30/x
  3. Step 3: Cross multiply
    654,994.34x = 903,885.80 × 364,601.30
  4. Step 4: Simplify right side
    654,994.34x = 329,557,937,731.54
  5. Step 5: Solve for x
    x = 329,557,937,731.54/654,994.34
  6. Step 6: Final answer
    x = 503,146.24

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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.