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Finding the Fourth Proportional to 214,315.80, 321,487.07 and 56,544.41

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Solution

The fourth proportional to 214,315.80, 321,487.07 and 56,544.41 is: 84,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,315.80 : 321,487.07 = 56,544.41 : x
  2. Step 2: Convert to fraction form
    214,315.80/321,487.07 = 56,544.41/x
  3. Step 3: Cross multiply
    214,315.80x = 321,487.07 × 56,544.41
  4. Step 4: Simplify right side
    214,315.80x = 18,178,294,805.62
  5. Step 5: Solve for x
    x = 18,178,294,805.62/214,315.80
  6. Step 6: Final answer
    x = 84,820.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.