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Finding the Fourth Proportional to 447,606.25, 617,696.63 and 246,402.25

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Solution

The fourth proportional to 447,606.25, 617,696.63 and 246,402.25 is: 340,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,606.25 : 617,696.63 = 246,402.25 : x
  2. Step 2: Convert to fraction form
    447,606.25/617,696.63 = 246,402.25/x
  3. Step 3: Cross multiply
    447,606.25x = 617,696.63 × 246,402.25
  4. Step 4: Simplify right side
    447,606.25x = 152,201,838,217.41
  5. Step 5: Solve for x
    x = 152,201,838,217.41/447,606.25
  6. Step 6: Final answer
    x = 340,035.11

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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.