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Finding the Fourth Proportional to 602,969.99, 903,272.78 and 349,718.42

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Solution

The fourth proportional to 602,969.99, 903,272.78 and 349,718.42 is: 523,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,969.99 : 903,272.78 = 349,718.42 : x
  2. Step 2: Convert to fraction form
    602,969.99/903,272.78 = 349,718.42/x
  3. Step 3: Cross multiply
    602,969.99x = 903,272.78 × 349,718.42
  4. Step 4: Simplify right side
    602,969.99x = 315,891,132,583.09
  5. Step 5: Solve for x
    x = 315,891,132,583.09/602,969.99
  6. Step 6: Final answer
    x = 523,891.97

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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.