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Finding the Fourth Proportional to 373,172.05, 514,977.58 and 212,027.32

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Solution

The fourth proportional to 373,172.05, 514,977.58 and 212,027.32 is: 292,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,172.05 : 514,977.58 = 212,027.32 : x
  2. Step 2: Convert to fraction form
    373,172.05/514,977.58 = 212,027.32/x
  3. Step 3: Cross multiply
    373,172.05x = 514,977.58 × 212,027.32
  4. Step 4: Simplify right side
    373,172.05x = 109,189,316,147.49
  5. Step 5: Solve for x
    x = 109,189,316,147.49/373,172.05
  6. Step 6: Final answer
    x = 292,597.79

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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.