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Finding the Fourth Proportional to 341,388.60, 512,082.90 and 235,100.40

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Solution

The fourth proportional to 341,388.60, 512,082.90 and 235,100.40 is: 352,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,388.60 : 512,082.90 = 235,100.40 : x
  2. Step 2: Convert to fraction form
    341,388.60/512,082.90 = 235,100.40/x
  3. Step 3: Cross multiply
    341,388.60x = 512,082.90 × 235,100.40
  4. Step 4: Simplify right side
    341,388.60x = 120,390,894,623.16
  5. Step 5: Solve for x
    x = 120,390,894,623.16/341,388.60
  6. Step 6: Final answer
    x = 352,650.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.