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Finding the Fourth Proportional to 463,058.79, 639,120.42 and 301,625.79

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Solution

The fourth proportional to 463,058.79, 639,120.42 and 301,625.79 is: 416,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,058.79 : 639,120.42 = 301,625.79 : x
  2. Step 2: Convert to fraction form
    463,058.79/639,120.42 = 301,625.79/x
  3. Step 3: Cross multiply
    463,058.79x = 639,120.42 × 301,625.79
  4. Step 4: Simplify right side
    463,058.79x = 192,775,201,587.63
  5. Step 5: Solve for x
    x = 192,775,201,587.63/463,058.79
  6. Step 6: Final answer
    x = 416,308.27

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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.