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Finding the Fourth Proportional to 341,703.80, 512,555.70 and 131,348.60

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Solution

The fourth proportional to 341,703.80, 512,555.70 and 131,348.60 is: 197,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,703.80 : 512,555.70 = 131,348.60 : x
  2. Step 2: Convert to fraction form
    341,703.80/512,555.70 = 131,348.60/x
  3. Step 3: Cross multiply
    341,703.80x = 512,555.70 × 131,348.60
  4. Step 4: Simplify right side
    341,703.80x = 67,323,473,617.02
  5. Step 5: Solve for x
    x = 67,323,473,617.02/341,703.80
  6. Step 6: Final answer
    x = 197,022.90

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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.