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Finding the Fourth Proportional to 331,035.30, 496,812.15 and 153,564.30

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Solution

The fourth proportional to 331,035.30, 496,812.15 and 153,564.30 is: 230,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,035.30 : 496,812.15 = 153,564.30 : x
  2. Step 2: Convert to fraction form
    331,035.30/496,812.15 = 153,564.30/x
  3. Step 3: Cross multiply
    331,035.30x = 496,812.15 × 153,564.30
  4. Step 4: Simplify right side
    331,035.30x = 76,292,610,046.25
  5. Step 5: Solve for x
    x = 76,292,610,046.25/331,035.30
  6. Step 6: Final answer
    x = 230,466.69

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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.