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Finding the Fourth Proportional to 567,793.70, 783,572.81 and 326,124.75

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Solution

The fourth proportional to 567,793.70, 783,572.81 and 326,124.75 is: 450,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,793.70 : 783,572.81 = 326,124.75 : x
  2. Step 2: Convert to fraction form
    567,793.70/783,572.81 = 326,124.75/x
  3. Step 3: Cross multiply
    567,793.70x = 783,572.81 × 326,124.75
  4. Step 4: Simplify right side
    567,793.70x = 255,542,485,137.42
  5. Step 5: Solve for x
    x = 255,542,485,137.42/567,793.70
  6. Step 6: Final answer
    x = 450,062.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.