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Finding the Fourth Proportional to 458,257.77, 633,012.30 and 352,154.25

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Solution

The fourth proportional to 458,257.77, 633,012.30 and 352,154.25 is: 486,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,257.77 : 633,012.30 = 352,154.25 : x
  2. Step 2: Convert to fraction form
    458,257.77/633,012.30 = 352,154.25/x
  3. Step 3: Cross multiply
    458,257.77x = 633,012.30 × 352,154.25
  4. Step 4: Simplify right side
    458,257.77x = 222,917,971,747.28
  5. Step 5: Solve for x
    x = 222,917,971,747.28/458,257.77
  6. Step 6: Final answer
    x = 486,446.68

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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.