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Finding the Fourth Proportional to 372,483.27, 514,029.20 and 202,719.15

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Solution

The fourth proportional to 372,483.27, 514,029.20 and 202,719.15 is: 279,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,483.27 : 514,029.20 = 202,719.15 : x
  2. Step 2: Convert to fraction form
    372,483.27/514,029.20 = 202,719.15/x
  3. Step 3: Cross multiply
    372,483.27x = 514,029.20 × 202,719.15
  4. Step 4: Simplify right side
    372,483.27x = 104,203,562,499.18
  5. Step 5: Solve for x
    x = 104,203,562,499.18/372,483.27
  6. Step 6: Final answer
    x = 279,753.67

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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.