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Finding the Fourth Proportional to 350,460, 483,634.43 and 189,314.99

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Solution

The fourth proportional to 350,460, 483,634.43 and 189,314.99 is: 261,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,460 : 483,634.43 = 189,314.99 : x
  2. Step 2: Convert to fraction form
    350,460/483,634.43 = 189,314.99/x
  3. Step 3: Cross multiply
    350,460x = 483,634.43 × 189,314.99
  4. Step 4: Simplify right side
    350,460x = 91,559,246,437.92
  5. Step 5: Solve for x
    x = 91,559,246,437.92/350,460
  6. Step 6: Final answer
    x = 261,254.48

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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.