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Finding the Fourth Proportional to 373,191.32, 514,984.57 and 212,024

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Solution

The fourth proportional to 373,191.32, 514,984.57 and 212,024 is: 292,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,191.32 : 514,984.57 = 212,024 : x
  2. Step 2: Convert to fraction form
    373,191.32/514,984.57 = 212,024/x
  3. Step 3: Cross multiply
    373,191.32x = 514,984.57 × 212,024
  4. Step 4: Simplify right side
    373,191.32x = 109,189,088,469.68
  5. Step 5: Solve for x
    x = 109,189,088,469.68/373,191.32
  6. Step 6: Final answer
    x = 292,582.07

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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.