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Finding the Fourth Proportional to 624,484, 936,726 and 230,500

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Solution

The fourth proportional to 624,484, 936,726 and 230,500 is: 345,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,484 : 936,726 = 230,500 : x
  2. Step 2: Convert to fraction form
    624,484/936,726 = 230,500/x
  3. Step 3: Cross multiply
    624,484x = 936,726 × 230,500
  4. Step 4: Simplify right side
    624,484x = 215,915,343,000
  5. Step 5: Solve for x
    x = 215,915,343,000/624,484
  6. Step 6: Final answer
    x = 345,750

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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.