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Finding the Fourth Proportional to 372,483.60, 514,029.64 and 202,719.48

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Solution

The fourth proportional to 372,483.60, 514,029.64 and 202,719.48 is: 279,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,483.60 : 514,029.64 = 202,719.48 : x
  2. Step 2: Convert to fraction form
    372,483.60/514,029.64 = 202,719.48/x
  3. Step 3: Cross multiply
    372,483.60x = 514,029.64 × 202,719.48
  4. Step 4: Simplify right side
    372,483.60x = 104,203,821,325.39
  5. Step 5: Solve for x
    x = 104,203,821,325.39/372,483.60
  6. Step 6: Final answer
    x = 279,754.12

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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.