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Finding the Fourth Proportional to 373,047.18, 515,040.24 and 264,381.96

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Solution

The fourth proportional to 373,047.18, 515,040.24 and 264,381.96 is: 365,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,047.18 : 515,040.24 = 264,381.96 : x
  2. Step 2: Convert to fraction form
    373,047.18/515,040.24 = 264,381.96/x
  3. Step 3: Cross multiply
    373,047.18x = 515,040.24 × 264,381.96
  4. Step 4: Simplify right side
    373,047.18x = 136,167,348,130.07
  5. Step 5: Solve for x
    x = 136,167,348,130.07/373,047.18
  6. Step 6: Final answer
    x = 365,013.74

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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.