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Finding the Fourth Proportional to 377,561.88, 521,025.54 and 205,483.26

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Solution

The fourth proportional to 377,561.88, 521,025.54 and 205,483.26 is: 283,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,561.88 : 521,025.54 = 205,483.26 : x
  2. Step 2: Convert to fraction form
    377,561.88/521,025.54 = 205,483.26/x
  3. Step 3: Cross multiply
    377,561.88x = 521,025.54 × 205,483.26
  4. Step 4: Simplify right side
    377,561.88x = 107,062,026,502.46
  5. Step 5: Solve for x
    x = 107,062,026,502.46/377,561.88
  6. Step 6: Final answer
    x = 283,561.54

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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.