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Finding the Fourth Proportional to 650,383.92, 897,636 and 446,266.35

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Solution

The fourth proportional to 650,383.92, 897,636 and 446,266.35 is: 615,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,383.92 : 897,636 = 446,266.35 : x
  2. Step 2: Convert to fraction form
    650,383.92/897,636 = 446,266.35/x
  3. Step 3: Cross multiply
    650,383.92x = 897,636 × 446,266.35
  4. Step 4: Simplify right side
    650,383.92x = 400,584,741,348.60
  5. Step 5: Solve for x
    x = 400,584,741,348.60/650,383.92
  6. Step 6: Final answer
    x = 615,920.43

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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.