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Finding the Fourth Proportional to 373,191.57, 514,984.94 and 212,024.25

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Solution

The fourth proportional to 373,191.57, 514,984.94 and 212,024.25 is: 292,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,191.57 : 514,984.94 = 212,024.25 : x
  2. Step 2: Convert to fraction form
    373,191.57/514,984.94 = 212,024.25/x
  3. Step 3: Cross multiply
    373,191.57x = 514,984.94 × 212,024.25
  4. Step 4: Simplify right side
    373,191.57x = 109,189,294,604.67
  5. Step 5: Solve for x
    x = 109,189,294,604.67/373,191.57
  6. Step 6: Final answer
    x = 292,582.43

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1.5x scale

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.