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Finding the Fourth Proportional to 447,432.39, 617,456.52 and 246,228.39

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Solution

The fourth proportional to 447,432.39, 617,456.52 and 246,228.39 is: 339,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,432.39 : 617,456.52 = 246,228.39 : x
  2. Step 2: Convert to fraction form
    447,432.39/617,456.52 = 246,228.39/x
  3. Step 3: Cross multiply
    447,432.39x = 617,456.52 × 246,228.39
  4. Step 4: Simplify right side
    447,432.39x = 152,035,324,814.60
  5. Step 5: Solve for x
    x = 152,035,324,814.60/447,432.39
  6. Step 6: Final answer
    x = 339,795.08

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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.