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Finding the Fourth Proportional to 323,515.80, 482,878.49 and 303,570.36

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Solution

The fourth proportional to 323,515.80, 482,878.49 and 303,570.36 is: 453,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,515.80 : 482,878.49 = 303,570.36 : x
  2. Step 2: Convert to fraction form
    323,515.80/482,878.49 = 303,570.36/x
  3. Step 3: Cross multiply
    323,515.80x = 482,878.49 × 303,570.36
  4. Step 4: Simplify right side
    323,515.80x = 146,587,595,527.71
  5. Step 5: Solve for x
    x = 146,587,595,527.71/323,515.80
  6. Step 6: Final answer
    x = 453,108.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.