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Finding the Fourth Proportional to 373,163.08, 514,965.19 and 212,018.34

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Solution

The fourth proportional to 373,163.08, 514,965.19 and 212,018.34 is: 292,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,163.08 : 514,965.19 = 212,018.34 : x
  2. Step 2: Convert to fraction form
    373,163.08/514,965.19 = 212,018.34/x
  3. Step 3: Cross multiply
    373,163.08x = 514,965.19 × 212,018.34
  4. Step 4: Simplify right side
    373,163.08x = 109,182,062,696.80
  5. Step 5: Solve for x
    x = 109,182,062,696.80/373,163.08
  6. Step 6: Final answer
    x = 292,585.39

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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.