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Finding the Fourth Proportional to 319,977.29, 480,105.88 and 151,617.93

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Solution

The fourth proportional to 319,977.29, 480,105.88 and 151,617.93 is: 227,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,977.29 : 480,105.88 = 151,617.93 : x
  2. Step 2: Convert to fraction form
    319,977.29/480,105.88 = 151,617.93/x
  3. Step 3: Cross multiply
    319,977.29x = 480,105.88 × 151,617.93
  4. Step 4: Simplify right side
    319,977.29x = 72,792,658,379.84
  5. Step 5: Solve for x
    x = 72,792,658,379.84/319,977.29
  6. Step 6: Final answer
    x = 227,493.20

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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.