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Finding the Fourth Proportional to 611,683.94, 844,190.02 and 370,099.70

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Solution

The fourth proportional to 611,683.94, 844,190.02 and 370,099.70 is: 510,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,683.94 : 844,190.02 = 370,099.70 : x
  2. Step 2: Convert to fraction form
    611,683.94/844,190.02 = 370,099.70/x
  3. Step 3: Cross multiply
    611,683.94x = 844,190.02 × 370,099.70
  4. Step 4: Simplify right side
    611,683.94x = 312,434,471,294.50
  5. Step 5: Solve for x
    x = 312,434,471,294.50/611,683.94
  6. Step 6: Final answer
    x = 510,777.63

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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.