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Finding the Fourth Proportional to 654,887.88, 982,332.09 and 294,638.09

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Solution

The fourth proportional to 654,887.88, 982,332.09 and 294,638.09 is: 441,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,887.88 : 982,332.09 = 294,638.09 : x
  2. Step 2: Convert to fraction form
    654,887.88/982,332.09 = 294,638.09/x
  3. Step 3: Cross multiply
    654,887.88x = 982,332.09 × 294,638.09
  4. Step 4: Simplify right side
    654,887.88x = 289,432,445,831.65
  5. Step 5: Solve for x
    x = 289,432,445,831.65/654,887.88
  6. Step 6: Final answer
    x = 441,957.25

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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.