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Finding the Fourth Proportional to 341,366.86, 512,116.35 and 130,988.44

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Solution

The fourth proportional to 341,366.86, 512,116.35 and 130,988.44 is: 196,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,366.86 : 512,116.35 = 130,988.44 : x
  2. Step 2: Convert to fraction form
    341,366.86/512,116.35 = 130,988.44/x
  3. Step 3: Cross multiply
    341,366.86x = 512,116.35 × 130,988.44
  4. Step 4: Simplify right side
    341,366.86x = 67,081,321,784.99
  5. Step 5: Solve for x
    x = 67,081,321,784.99/341,366.86
  6. Step 6: Final answer
    x = 196,508.01

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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.