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Finding the Fourth Proportional to 424,599.62, 586,131.33 and 303,530.94

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Solution

The fourth proportional to 424,599.62, 586,131.33 and 303,530.94 is: 419,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,599.62 : 586,131.33 = 303,530.94 : x
  2. Step 2: Convert to fraction form
    424,599.62/586,131.33 = 303,530.94/x
  3. Step 3: Cross multiply
    424,599.62x = 586,131.33 × 303,530.94
  4. Step 4: Simplify right side
    424,599.62x = 177,908,993,558.35
  5. Step 5: Solve for x
    x = 177,908,993,558.35/424,599.62
  6. Step 6: Final answer
    x = 419,004.13

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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.