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Finding the Fourth Proportional to 340,313.22, 510,543.63 and 103,649.70

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Solution

The fourth proportional to 340,313.22, 510,543.63 and 103,649.70 is: 155,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,313.22 : 510,543.63 = 103,649.70 : x
  2. Step 2: Convert to fraction form
    340,313.22/510,543.63 = 103,649.70/x
  3. Step 3: Cross multiply
    340,313.22x = 510,543.63 × 103,649.70
  4. Step 4: Simplify right side
    340,313.22x = 52,917,694,086.41
  5. Step 5: Solve for x
    x = 52,917,694,086.41/340,313.22
  6. Step 6: Final answer
    x = 155,497.03

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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.