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Finding the Fourth Proportional to 341,802.90, 512,793.95 and 131,447.70

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Solution

The fourth proportional to 341,802.90, 512,793.95 and 131,447.70 is: 197,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,802.90 : 512,793.95 = 131,447.70 : x
  2. Step 2: Convert to fraction form
    341,802.90/512,793.95 = 131,447.70/x
  3. Step 3: Cross multiply
    341,802.90x = 512,793.95 × 131,447.70
  4. Step 4: Simplify right side
    341,802.90x = 67,405,585,301.42
  5. Step 5: Solve for x
    x = 67,405,585,301.42/341,802.90
  6. Step 6: Final answer
    x = 197,206.01

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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.