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Finding the Fourth Proportional to 303,463.80, 424,062 and 303,463.80

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Solution

The fourth proportional to 303,463.80, 424,062 and 303,463.80 is: 424,062

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,463.80 : 424,062 = 303,463.80 : x
  2. Step 2: Convert to fraction form
    303,463.80/424,062 = 303,463.80/x
  3. Step 3: Cross multiply
    303,463.80x = 424,062 × 303,463.80
  4. Step 4: Simplify right side
    303,463.80x = 128,687,465,955.60
  5. Step 5: Solve for x
    x = 128,687,465,955.60/303,463.80
  6. Step 6: Final answer
    x = 424,062

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.