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Finding the Fourth Proportional to 463,486.73, 639,676.47 and 334,841.39

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Solution

The fourth proportional to 463,486.73, 639,676.47 and 334,841.39 is: 462,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,486.73 : 639,676.47 = 334,841.39 : x
  2. Step 2: Convert to fraction form
    463,486.73/639,676.47 = 334,841.39/x
  3. Step 3: Cross multiply
    463,486.73x = 639,676.47 × 334,841.39
  4. Step 4: Simplify right side
    463,486.73x = 214,190,159,594.11
  5. Step 5: Solve for x
    x = 214,190,159,594.11/463,486.73
  6. Step 6: Final answer
    x = 462,127.92

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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.