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Finding the Fourth Proportional to 349,083, 481,734.54 and 190,107

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Solution

The fourth proportional to 349,083, 481,734.54 and 190,107 is: 262,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,083 : 481,734.54 = 190,107 : x
  2. Step 2: Convert to fraction form
    349,083/481,734.54 = 190,107/x
  3. Step 3: Cross multiply
    349,083x = 481,734.54 × 190,107
  4. Step 4: Simplify right side
    349,083x = 91,581,108,195.78
  5. Step 5: Solve for x
    x = 91,581,108,195.78/349,083
  6. Step 6: Final answer
    x = 262,347.66

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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.