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Finding the Fourth Proportional to 896,101.38, 1,236,616.20 and 488,202

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Solution

The fourth proportional to 896,101.38, 1,236,616.20 and 488,202 is: 673,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,101.38 : 1,236,616.20 = 488,202 : x
  2. Step 2: Convert to fraction form
    896,101.38/1,236,616.20 = 488,202/x
  3. Step 3: Cross multiply
    896,101.38x = 1,236,616.20 × 488,202
  4. Step 4: Simplify right side
    896,101.38x = 603,718,502,072.40
  5. Step 5: Solve for x
    x = 603,718,502,072.40/896,101.38
  6. Step 6: Final answer
    x = 673,716.74

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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.