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Finding the Fourth Proportional to 357,466.80, 536,290.96 and 165,479.64

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Solution

The fourth proportional to 357,466.80, 536,290.96 and 165,479.64 is: 248,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,466.80 : 536,290.96 = 165,479.64 : x
  2. Step 2: Convert to fraction form
    357,466.80/536,290.96 = 165,479.64/x
  3. Step 3: Cross multiply
    357,466.80x = 536,290.96 × 165,479.64
  4. Step 4: Simplify right side
    357,466.80x = 88,745,234,996.05
  5. Step 5: Solve for x
    x = 88,745,234,996.05/357,466.80
  6. Step 6: Final answer
    x = 248,261.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.