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Finding the Fourth Proportional to 463,523.52, 639,671.52 and 302,481.60

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Solution

The fourth proportional to 463,523.52, 639,671.52 and 302,481.60 is: 417,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,523.52 : 639,671.52 = 302,481.60 : x
  2. Step 2: Convert to fraction form
    463,523.52/639,671.52 = 302,481.60/x
  3. Step 3: Cross multiply
    463,523.52x = 639,671.52 × 302,481.60
  4. Step 4: Simplify right side
    463,523.52x = 193,488,864,844.03
  5. Step 5: Solve for x
    x = 193,488,864,844.03/463,523.52
  6. Step 6: Final answer
    x = 417,430.52

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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.