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Finding the Fourth Proportional to 351,713.41, 485,363.83 and 190,572.82

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Solution

The fourth proportional to 351,713.41, 485,363.83 and 190,572.82 is: 262,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,713.41 : 485,363.83 = 190,572.82 : x
  2. Step 2: Convert to fraction form
    351,713.41/485,363.83 = 190,572.82/x
  3. Step 3: Cross multiply
    351,713.41x = 485,363.83 × 190,572.82
  4. Step 4: Simplify right side
    351,713.41x = 92,497,153,809.10
  5. Step 5: Solve for x
    x = 92,497,153,809.10/351,713.41
  6. Step 6: Final answer
    x = 262,990.13

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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.