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Finding the Fourth Proportional to 774,521.78, 1,160,793.03 and 624,832.56

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Solution

The fourth proportional to 774,521.78, 1,160,793.03 and 624,832.56 is: 936,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,521.78 : 1,160,793.03 = 624,832.56 : x
  2. Step 2: Convert to fraction form
    774,521.78/1,160,793.03 = 624,832.56/x
  3. Step 3: Cross multiply
    774,521.78x = 1,160,793.03 × 624,832.56
  4. Step 4: Simplify right side
    774,521.78x = 725,301,280,565.06
  5. Step 5: Solve for x
    x = 725,301,280,565.06/774,521.78
  6. Step 6: Final answer
    x = 936,450.47

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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.