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Finding the Fourth Proportional to 454,228.52, 626,696.60 and 263,205

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Solution

The fourth proportional to 454,228.52, 626,696.60 and 263,205 is: 363,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,228.52 : 626,696.60 = 263,205 : x
  2. Step 2: Convert to fraction form
    454,228.52/626,696.60 = 263,205/x
  3. Step 3: Cross multiply
    454,228.52x = 626,696.60 × 263,205
  4. Step 4: Simplify right side
    454,228.52x = 164,949,678,603
  5. Step 5: Solve for x
    x = 164,949,678,603/454,228.52
  6. Step 6: Final answer
    x = 363,142.50

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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.