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Finding the Fourth Proportional to 633,252.28, 873,887.54 and 346,777.96

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Solution

The fourth proportional to 633,252.28, 873,887.54 and 346,777.96 is: 478,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,252.28 : 873,887.54 = 346,777.96 : x
  2. Step 2: Convert to fraction form
    633,252.28/873,887.54 = 346,777.96/x
  3. Step 3: Cross multiply
    633,252.28x = 873,887.54 × 346,777.96
  4. Step 4: Simplify right side
    633,252.28x = 303,044,938,390.62
  5. Step 5: Solve for x
    x = 303,044,938,390.62/633,252.28
  6. Step 6: Final answer
    x = 478,553.25

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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.