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Finding the Fourth Proportional to 602,614.97, 831,606.38 and 330,687.41

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Solution

The fourth proportional to 602,614.97, 831,606.38 and 330,687.41 is: 456,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,614.97 : 831,606.38 = 330,687.41 : x
  2. Step 2: Convert to fraction form
    602,614.97/831,606.38 = 330,687.41/x
  3. Step 3: Cross multiply
    602,614.97x = 831,606.38 × 330,687.41
  4. Step 4: Simplify right side
    602,614.97x = 275,001,758,288.24
  5. Step 5: Solve for x
    x = 275,001,758,288.24/602,614.97
  6. Step 6: Final answer
    x = 456,347.37

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1.5x scale

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.