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Finding the Fourth Proportional to 614,693.80, 922,040.70 and 591,074.20

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Solution

The fourth proportional to 614,693.80, 922,040.70 and 591,074.20 is: 886,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,693.80 : 922,040.70 = 591,074.20 : x
  2. Step 2: Convert to fraction form
    614,693.80/922,040.70 = 591,074.20/x
  3. Step 3: Cross multiply
    614,693.80x = 922,040.70 × 591,074.20
  4. Step 4: Simplify right side
    614,693.80x = 544,994,469,119.94
  5. Step 5: Solve for x
    x = 544,994,469,119.94/614,693.80
  6. Step 6: Final answer
    x = 886,611.30

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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.