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Finding the Fourth Proportional to 341,449.80, 512,174.70 and 235,161.60

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Solution

The fourth proportional to 341,449.80, 512,174.70 and 235,161.60 is: 352,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,449.80 : 512,174.70 = 235,161.60 : x
  2. Step 2: Convert to fraction form
    341,449.80/512,174.70 = 235,161.60/x
  3. Step 3: Cross multiply
    341,449.80x = 512,174.70 × 235,161.60
  4. Step 4: Simplify right side
    341,449.80x = 120,443,821,931.52
  5. Step 5: Solve for x
    x = 120,443,821,931.52/341,449.80
  6. Step 6: Final answer
    x = 352,742.40

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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.