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Finding the Fourth Proportional to 341,400.90, 512,101.35 and 235,112.70

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Solution

The fourth proportional to 341,400.90, 512,101.35 and 235,112.70 is: 352,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,400.90 : 512,101.35 = 235,112.70 : x
  2. Step 2: Convert to fraction form
    341,400.90/512,101.35 = 235,112.70/x
  3. Step 3: Cross multiply
    341,400.90x = 512,101.35 × 235,112.70
  4. Step 4: Simplify right side
    341,400.90x = 120,401,531,072.15
  5. Step 5: Solve for x
    x = 120,401,531,072.15/341,400.90
  6. Step 6: Final answer
    x = 352,669.05

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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.