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Finding the Fourth Proportional to 608,747.40, 913,121.10 and 234,770.40

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Solution

The fourth proportional to 608,747.40, 913,121.10 and 234,770.40 is: 352,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,747.40 : 913,121.10 = 234,770.40 : x
  2. Step 2: Convert to fraction form
    608,747.40/913,121.10 = 234,770.40/x
  3. Step 3: Cross multiply
    608,747.40x = 913,121.10 × 234,770.40
  4. Step 4: Simplify right side
    608,747.40x = 214,373,805,895.44
  5. Step 5: Solve for x
    x = 214,373,805,895.44/608,747.40
  6. Step 6: Final answer
    x = 352,155.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.