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Finding the Fourth Proportional to 529,899.62, 730,885.46 and 325,682.42

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Solution

The fourth proportional to 529,899.62, 730,885.46 and 325,682.42 is: 449,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,899.62 : 730,885.46 = 325,682.42 : x
  2. Step 2: Convert to fraction form
    529,899.62/730,885.46 = 325,682.42/x
  3. Step 3: Cross multiply
    529,899.62x = 730,885.46 × 325,682.42
  4. Step 4: Simplify right side
    529,899.62x = 238,036,540,072.77
  5. Step 5: Solve for x
    x = 238,036,540,072.77/529,899.62
  6. Step 6: Final answer
    x = 449,210.63

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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.