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Finding the Fourth Proportional to 341,444.70, 512,013.45 and 131,012.70

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Solution

The fourth proportional to 341,444.70, 512,013.45 and 131,012.70 is: 196,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,444.70 : 512,013.45 = 131,012.70 : x
  2. Step 2: Convert to fraction form
    341,444.70/512,013.45 = 131,012.70/x
  3. Step 3: Cross multiply
    341,444.70x = 512,013.45 × 131,012.70
  4. Step 4: Simplify right side
    341,444.70x = 67,080,264,520.82
  5. Step 5: Solve for x
    x = 67,080,264,520.82/341,444.70
  6. Step 6: Final answer
    x = 196,460.11

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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.