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Finding the Fourth Proportional to 372,541.43, 561,301.29 and 337,047.78

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Solution

The fourth proportional to 372,541.43, 561,301.29 and 337,047.78 is: 507,823.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,541.43 : 561,301.29 = 337,047.78 : x
  2. Step 2: Convert to fraction form
    372,541.43/561,301.29 = 337,047.78/x
  3. Step 3: Cross multiply
    372,541.43x = 561,301.29 × 337,047.78
  4. Step 4: Simplify right side
    372,541.43x = 189,185,354,548.26
  5. Step 5: Solve for x
    x = 189,185,354,548.26/372,541.43
  6. Step 6: Final answer
    x = 507,823.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.