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Finding the Fourth Proportional to 528,499.72, 729,024.60 and 337,297.60

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Solution

The fourth proportional to 528,499.72, 729,024.60 and 337,297.60 is: 465,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,499.72 : 729,024.60 = 337,297.60 : x
  2. Step 2: Convert to fraction form
    528,499.72/729,024.60 = 337,297.60/x
  3. Step 3: Cross multiply
    528,499.72x = 729,024.60 × 337,297.60
  4. Step 4: Simplify right side
    528,499.72x = 245,898,247,920.96
  5. Step 5: Solve for x
    x = 245,898,247,920.96/528,499.72
  6. Step 6: Final answer
    x = 465,276.02

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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.