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Finding the Fourth Proportional to 463,665.02, 639,538.16 and 326,135.62

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Solution

The fourth proportional to 463,665.02, 639,538.16 and 326,135.62 is: 449,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,665.02 : 639,538.16 = 326,135.62 : x
  2. Step 2: Convert to fraction form
    463,665.02/639,538.16 = 326,135.62/x
  3. Step 3: Cross multiply
    463,665.02x = 639,538.16 × 326,135.62
  4. Step 4: Simplify right side
    463,665.02x = 208,576,174,325.26
  5. Step 5: Solve for x
    x = 208,576,174,325.26/463,665.02
  6. Step 6: Final answer
    x = 449,842.38

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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.