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Finding the Fourth Proportional to 351,352.07, 484,866 and 190,207.10

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Solution

The fourth proportional to 351,352.07, 484,866 and 190,207.10 is: 262,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,352.07 : 484,866 = 190,207.10 : x
  2. Step 2: Convert to fraction form
    351,352.07/484,866 = 190,207.10/x
  3. Step 3: Cross multiply
    351,352.07x = 484,866 × 190,207.10
  4. Step 4: Simplify right side
    351,352.07x = 92,224,953,324.27
  5. Step 5: Solve for x
    x = 92,224,953,324.27/351,352.07
  6. Step 6: Final answer
    x = 262,485.87

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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.