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Finding the Fourth Proportional to 341,429.80, 512,144.70 and 235,141.60

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Solution

The fourth proportional to 341,429.80, 512,144.70 and 235,141.60 is: 352,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,429.80 : 512,144.70 = 235,141.60 : x
  2. Step 2: Convert to fraction form
    341,429.80/512,144.70 = 235,141.60/x
  3. Step 3: Cross multiply
    341,429.80x = 512,144.70 × 235,141.60
  4. Step 4: Simplify right side
    341,429.80x = 120,426,524,189.52
  5. Step 5: Solve for x
    x = 120,426,524,189.52/341,429.80
  6. Step 6: Final answer
    x = 352,712.40

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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.