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Finding the Fourth Proportional to 447,432.48, 617,456.91 and 246,228.48

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Solution

The fourth proportional to 447,432.48, 617,456.91 and 246,228.48 is: 339,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,432.48 : 617,456.91 = 246,228.48 : x
  2. Step 2: Convert to fraction form
    447,432.48/617,456.91 = 246,228.48/x
  3. Step 3: Cross multiply
    447,432.48x = 617,456.91 × 246,228.48
  4. Step 4: Simplify right side
    447,432.48x = 152,035,477,338.15
  5. Step 5: Solve for x
    x = 152,035,477,338.15/447,432.48
  6. Step 6: Final answer
    x = 339,795.35

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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.