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Finding the Fourth Proportional to 618,504.93, 927,781.93 and 294,215.15

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Solution

The fourth proportional to 618,504.93, 927,781.93 and 294,215.15 is: 441,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,504.93 : 927,781.93 = 294,215.15 : x
  2. Step 2: Convert to fraction form
    618,504.93/927,781.93 = 294,215.15/x
  3. Step 3: Cross multiply
    618,504.93x = 927,781.93 × 294,215.15
  4. Step 4: Simplify right side
    618,504.93x = 272,967,499,702.24
  5. Step 5: Solve for x
    x = 272,967,499,702.24/618,504.93
  6. Step 6: Final answer
    x = 441,334.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.