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Finding the Fourth Proportional to 624,728.67, 937,084.77 and 151,418.13

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Solution

The fourth proportional to 624,728.67, 937,084.77 and 151,418.13 is: 227,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,728.67 : 937,084.77 = 151,418.13 : x
  2. Step 2: Convert to fraction form
    624,728.67/937,084.77 = 151,418.13/x
  3. Step 3: Cross multiply
    624,728.67x = 937,084.77 × 151,418.13
  4. Step 4: Simplify right side
    624,728.67x = 141,891,623,524.88
  5. Step 5: Solve for x
    x = 141,891,623,524.88/624,728.67
  6. Step 6: Final answer
    x = 227,125.20

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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.