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Finding the Fourth Proportional to 952,880.94, 1,314,978.26 and 523,188.90

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Solution

The fourth proportional to 952,880.94, 1,314,978.26 and 523,188.90 is: 722,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,880.94 : 1,314,978.26 = 523,188.90 : x
  2. Step 2: Convert to fraction form
    952,880.94/1,314,978.26 = 523,188.90/x
  3. Step 3: Cross multiply
    952,880.94x = 1,314,978.26 × 523,188.90
  4. Step 4: Simplify right side
    952,880.94x = 687,982,024,106.40
  5. Step 5: Solve for x
    x = 687,982,024,106.40/952,880.94
  6. Step 6: Final answer
    x = 722,002.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.