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Finding the Fourth Proportional to 648,436.41, 970,661.52 and 552,777.03

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Solution

The fourth proportional to 648,436.41, 970,661.52 and 552,777.03 is: 827,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,436.41 : 970,661.52 = 552,777.03 : x
  2. Step 2: Convert to fraction form
    648,436.41/970,661.52 = 552,777.03/x
  3. Step 3: Cross multiply
    648,436.41x = 970,661.52 × 552,777.03
  4. Step 4: Simplify right side
    648,436.41x = 536,559,392,160.89
  5. Step 5: Solve for x
    x = 536,559,392,160.89/648,436.41
  6. Step 6: Final answer
    x = 827,466.48

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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.