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Finding the Fourth Proportional to 522,355.08, 783,073.20 and 207,033.36

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Solution

The fourth proportional to 522,355.08, 783,073.20 and 207,033.36 is: 310,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,355.08 : 783,073.20 = 207,033.36 : x
  2. Step 2: Convert to fraction form
    522,355.08/783,073.20 = 207,033.36/x
  3. Step 3: Cross multiply
    522,355.08x = 783,073.20 × 207,033.36
  4. Step 4: Simplify right side
    522,355.08x = 162,122,275,721.95
  5. Step 5: Solve for x
    x = 162,122,275,721.95/522,355.08
  6. Step 6: Final answer
    x = 310,367.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.