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Finding the Fourth Proportional to 654,996.47, 903,888.74 and 364,603.43

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Solution

The fourth proportional to 654,996.47, 903,888.74 and 364,603.43 is: 503,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,996.47 : 903,888.74 = 364,603.43 : x
  2. Step 2: Convert to fraction form
    654,996.47/903,888.74 = 364,603.43/x
  3. Step 3: Cross multiply
    654,996.47x = 903,888.74 × 364,603.43
  4. Step 4: Simplify right side
    654,996.47x = 329,560,931,334.44
  5. Step 5: Solve for x
    x = 329,560,931,334.44/654,996.47
  6. Step 6: Final answer
    x = 503,149.18

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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.