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Finding the Fourth Proportional to 282,759.02, 389,805.91 and 224,891.00

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Solution

The fourth proportional to 282,759.02, 389,805.91 and 224,891.00 is: 310,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,759.02 : 389,805.91 = 224,891.00 : x
  2. Step 2: Convert to fraction form
    282,759.02/389,805.91 = 224,891.00/x
  3. Step 3: Cross multiply
    282,759.02x = 389,805.91 × 224,891.00
  4. Step 4: Simplify right side
    282,759.02x = 87,663,838,394.55
  5. Step 5: Solve for x
    x = 87,663,838,394.55/282,759.02
  6. Step 6: Final answer
    x = 310,030.22

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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.