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Finding the Fourth Proportional to 424,482.56, 585,589.92 and 254,421.44

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Solution

The fourth proportional to 424,482.56, 585,589.92 and 254,421.44 is: 350,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,482.56 : 585,589.92 = 254,421.44 : x
  2. Step 2: Convert to fraction form
    424,482.56/585,589.92 = 254,421.44/x
  3. Step 3: Cross multiply
    424,482.56x = 585,589.92 × 254,421.44
  4. Step 4: Simplify right side
    424,482.56x = 148,986,630,695.89
  5. Step 5: Solve for x
    x = 148,986,630,695.89/424,482.56
  6. Step 6: Final answer
    x = 350,984.10

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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.