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Finding the Fourth Proportional to 607,331.61, 911,550.33 and 323,260.76

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Solution

The fourth proportional to 607,331.61, 911,550.33 and 323,260.76 is: 485,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,331.61 : 911,550.33 = 323,260.76 : x
  2. Step 2: Convert to fraction form
    607,331.61/911,550.33 = 323,260.76/x
  3. Step 3: Cross multiply
    607,331.61x = 911,550.33 × 323,260.76
  4. Step 4: Simplify right side
    607,331.61x = 294,668,447,896.30
  5. Step 5: Solve for x
    x = 294,668,447,896.30/607,331.61
  6. Step 6: Final answer
    x = 485,185.43

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1.5x scale

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.