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Finding the Fourth Proportional to 341,389.40, 512,084.10 and 235,101.20

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Solution

The fourth proportional to 341,389.40, 512,084.10 and 235,101.20 is: 352,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,389.40 : 512,084.10 = 235,101.20 : x
  2. Step 2: Convert to fraction form
    341,389.40/512,084.10 = 235,101.20/x
  3. Step 3: Cross multiply
    341,389.40x = 512,084.10 × 235,101.20
  4. Step 4: Simplify right side
    341,389.40x = 120,391,586,410.92
  5. Step 5: Solve for x
    x = 120,391,586,410.92/341,389.40
  6. Step 6: Final answer
    x = 352,651.80

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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.