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Finding the Fourth Proportional to 531,832.60, 733,902.01 and 290,113.21

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Solution

The fourth proportional to 531,832.60, 733,902.01 and 290,113.21 is: 400,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,832.60 : 733,902.01 = 290,113.21 : x
  2. Step 2: Convert to fraction form
    531,832.60/733,902.01 = 290,113.21/x
  3. Step 3: Cross multiply
    531,832.60x = 733,902.01 × 290,113.21
  4. Step 4: Simplify right side
    531,832.60x = 212,914,667,946.55
  5. Step 5: Solve for x
    x = 212,914,667,946.55/531,832.60
  6. Step 6: Final answer
    x = 400,341.51

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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.