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Finding the Fourth Proportional to 446,651.10, 669,832.62 and 147,060.32

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Solution

The fourth proportional to 446,651.10, 669,832.62 and 147,060.32 is: 220,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,651.10 : 669,832.62 = 147,060.32 : x
  2. Step 2: Convert to fraction form
    446,651.10/669,832.62 = 147,060.32/x
  3. Step 3: Cross multiply
    446,651.10x = 669,832.62 × 147,060.32
  4. Step 4: Simplify right side
    446,651.10x = 98,505,799,443.64
  5. Step 5: Solve for x
    x = 98,505,799,443.64/446,651.10
  6. Step 6: Final answer
    x = 220,543.06

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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.