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Finding the Fourth Proportional to 325,644.80, 488,536.86 and 101,000.30

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Solution

The fourth proportional to 325,644.80, 488,536.86 and 101,000.30 is: 151,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,644.80 : 488,536.86 = 101,000.30 : x
  2. Step 2: Convert to fraction form
    325,644.80/488,536.86 = 101,000.30/x
  3. Step 3: Cross multiply
    325,644.80x = 488,536.86 × 101,000.30
  4. Step 4: Simplify right side
    325,644.80x = 49,342,369,421.06
  5. Step 5: Solve for x
    x = 49,342,369,421.06/325,644.80
  6. Step 6: Final answer
    x = 151,522.06

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1.5x scale

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.