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Finding the Fourth Proportional to 624,349, 936,679.02 and 181,117

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Solution

The fourth proportional to 624,349, 936,679.02 and 181,117 is: 271,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,349 : 936,679.02 = 181,117 : x
  2. Step 2: Convert to fraction form
    624,349/936,679.02 = 181,117/x
  3. Step 3: Cross multiply
    624,349x = 936,679.02 × 181,117
  4. Step 4: Simplify right side
    624,349x = 169,648,494,065.34
  5. Step 5: Solve for x
    x = 169,648,494,065.34/624,349
  6. Step 6: Final answer
    x = 271,720.61

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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.