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Finding the Fourth Proportional to 341,406.10, 512,109.15 and 235,117.90

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Solution

The fourth proportional to 341,406.10, 512,109.15 and 235,117.90 is: 352,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,406.10 : 512,109.15 = 235,117.90 : x
  2. Step 2: Convert to fraction form
    341,406.10/512,109.15 = 235,117.90/x
  3. Step 3: Cross multiply
    341,406.10x = 512,109.15 × 235,117.90
  4. Step 4: Simplify right side
    341,406.10x = 120,406,027,918.79
  5. Step 5: Solve for x
    x = 120,406,027,918.79/341,406.10
  6. Step 6: Final answer
    x = 352,676.85

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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.