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Finding the Fourth Proportional to 607,789.10, 910,480.80 and 532,993.70

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Solution

The fourth proportional to 607,789.10, 910,480.80 and 532,993.70 is: 798,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,789.10 : 910,480.80 = 532,993.70 : x
  2. Step 2: Convert to fraction form
    607,789.10/910,480.80 = 532,993.70/x
  3. Step 3: Cross multiply
    607,789.10x = 910,480.80 × 532,993.70
  4. Step 4: Simplify right side
    607,789.10x = 485,280,530,370.96
  5. Step 5: Solve for x
    x = 485,280,530,370.96/607,789.10
  6. Step 6: Final answer
    x = 798,435.72

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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.