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Finding the Fourth Proportional to 654,757.65, 903,556.49 and 368,277.93

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Solution

The fourth proportional to 654,757.65, 903,556.49 and 368,277.93 is: 508,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,757.65 : 903,556.49 = 368,277.93 : x
  2. Step 2: Convert to fraction form
    654,757.65/903,556.49 = 368,277.93/x
  3. Step 3: Cross multiply
    654,757.65x = 903,556.49 × 368,277.93
  4. Step 4: Simplify right side
    654,757.65x = 332,759,911,933.88
  5. Step 5: Solve for x
    x = 332,759,911,933.88/654,757.65
  6. Step 6: Final answer
    x = 508,218.44

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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.