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Finding the Fourth Proportional to 341,397.40, 512,096.10 and 235,109.20

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Solution

The fourth proportional to 341,397.40, 512,096.10 and 235,109.20 is: 352,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,397.40 : 512,096.10 = 235,109.20 : x
  2. Step 2: Convert to fraction form
    341,397.40/512,096.10 = 235,109.20/x
  3. Step 3: Cross multiply
    341,397.40x = 512,096.10 × 235,109.20
  4. Step 4: Simplify right side
    341,397.40x = 120,398,504,394.12
  5. Step 5: Solve for x
    x = 120,398,504,394.12/341,397.40
  6. Step 6: Final answer
    x = 352,663.80

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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.