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Finding the Fourth Proportional to 356,555.75, 492,050.70 and 195,407.26

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Solution

The fourth proportional to 356,555.75, 492,050.70 and 195,407.26 is: 269,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,555.75 : 492,050.70 = 195,407.26 : x
  2. Step 2: Convert to fraction form
    356,555.75/492,050.70 = 195,407.26/x
  3. Step 3: Cross multiply
    356,555.75x = 492,050.70 × 195,407.26
  4. Step 4: Simplify right side
    356,555.75x = 96,150,277,837.96
  5. Step 5: Solve for x
    x = 96,150,277,837.96/356,555.75
  6. Step 6: Final answer
    x = 269,664.08

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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.