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Finding the Fourth Proportional to 352,001.53, 485,763.15 and 190,856.62

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Solution

The fourth proportional to 352,001.53, 485,763.15 and 190,856.62 is: 263,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.53 : 485,763.15 = 190,856.62 : x
  2. Step 2: Convert to fraction form
    352,001.53/485,763.15 = 190,856.62/x
  3. Step 3: Cross multiply
    352,001.53x = 485,763.15 × 190,856.62
  4. Step 4: Simplify right side
    352,001.53x = 92,711,112,929.55
  5. Step 5: Solve for x
    x = 92,711,112,929.55/352,001.53
  6. Step 6: Final answer
    x = 263,382.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.