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Finding the Fourth Proportional to 341,405.90, 512,108.85 and 235,117.70

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Solution

The fourth proportional to 341,405.90, 512,108.85 and 235,117.70 is: 352,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,405.90 : 512,108.85 = 235,117.70 : x
  2. Step 2: Convert to fraction form
    341,405.90/512,108.85 = 235,117.70/x
  3. Step 3: Cross multiply
    341,405.90x = 512,108.85 × 235,117.70
  4. Step 4: Simplify right side
    341,405.90x = 120,405,854,961.65
  5. Step 5: Solve for x
    x = 120,405,854,961.65/341,405.90
  6. Step 6: Final answer
    x = 352,676.55

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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.