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Finding the Fourth Proportional to 1,935,793.60, 2,903,690.40 and 673,748.80

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Solution

The fourth proportional to 1,935,793.60, 2,903,690.40 and 673,748.80 is: 1,010,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,793.60 : 2,903,690.40 = 673,748.80 : x
  2. Step 2: Convert to fraction form
    1,935,793.60/2,903,690.40 = 673,748.80/x
  3. Step 3: Cross multiply
    1,935,793.60x = 2,903,690.40 × 673,748.80
  4. Step 4: Simplify right side
    1,935,793.60x = 1,956,357,922,571.52
  5. Step 5: Solve for x
    x = 1,956,357,922,571.52/1,935,793.60
  6. Step 6: Final answer
    x = 1,010,623.20

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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.