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Finding the Fourth Proportional to 646,773.96, 970,086.62 and 173,422.11

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Solution

The fourth proportional to 646,773.96, 970,086.62 and 173,422.11 is: 260,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,773.96 : 970,086.62 = 173,422.11 : x
  2. Step 2: Convert to fraction form
    646,773.96/970,086.62 = 173,422.11/x
  3. Step 3: Cross multiply
    646,773.96x = 970,086.62 × 173,422.11
  4. Step 4: Simplify right side
    646,773.96x = 168,234,467,656.06
  5. Step 5: Solve for x
    x = 168,234,467,656.06/646,773.96
  6. Step 6: Final answer
    x = 260,113.24

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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.