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Finding the Fourth Proportional to 648,430.41, 970,652.51 and 552,771.03

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Solution

The fourth proportional to 648,430.41, 970,652.51 and 552,771.03 is: 827,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,430.41 : 970,652.51 = 552,771.03 : x
  2. Step 2: Convert to fraction form
    648,430.41/970,652.51 = 552,771.03/x
  3. Step 3: Cross multiply
    648,430.41x = 970,652.51 × 552,771.03
  4. Step 4: Simplify right side
    648,430.41x = 536,548,593,783.11
  5. Step 5: Solve for x
    x = 536,548,593,783.11/648,430.41
  6. Step 6: Final answer
    x = 827,457.48

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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.