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Finding the Fourth Proportional to 373,166.64, 514,983.84 and 212,049

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Solution

The fourth proportional to 373,166.64, 514,983.84 and 212,049 is: 292,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,166.64 : 514,983.84 = 212,049 : x
  2. Step 2: Convert to fraction form
    373,166.64/514,983.84 = 212,049/x
  3. Step 3: Cross multiply
    373,166.64x = 514,983.84 × 212,049
  4. Step 4: Simplify right side
    373,166.64x = 109,201,808,288.16
  5. Step 5: Solve for x
    x = 109,201,808,288.16/373,166.64
  6. Step 6: Final answer
    x = 292,635.51

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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.