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Finding the Fourth Proportional to 623,950.72, 936,024 and 269,065.60

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Solution

The fourth proportional to 623,950.72, 936,024 and 269,065.60 is: 403,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,950.72 : 936,024 = 269,065.60 : x
  2. Step 2: Convert to fraction form
    623,950.72/936,024 = 269,065.60/x
  3. Step 3: Cross multiply
    623,950.72x = 936,024 × 269,065.60
  4. Step 4: Simplify right side
    623,950.72x = 251,851,859,174.40
  5. Step 5: Solve for x
    x = 251,851,859,174.40/623,950.72
  6. Step 6: Final answer
    x = 403,640.63

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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.