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Finding the Fourth Proportional to 350,444.20, 483,612.70 and 189,299.20

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Solution

The fourth proportional to 350,444.20, 483,612.70 and 189,299.20 is: 261,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,444.20 : 483,612.70 = 189,299.20 : x
  2. Step 2: Convert to fraction form
    350,444.20/483,612.70 = 189,299.20/x
  3. Step 3: Cross multiply
    350,444.20x = 483,612.70 × 189,299.20
  4. Step 4: Simplify right side
    350,444.20x = 91,547,497,219.84
  5. Step 5: Solve for x
    x = 91,547,497,219.84/350,444.20
  6. Step 6: Final answer
    x = 261,232.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.