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Finding the Fourth Proportional to 683,226.65, 942,842.92 and 377,315.97

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Solution

The fourth proportional to 683,226.65, 942,842.92 and 377,315.97 is: 520,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,226.65 : 942,842.92 = 377,315.97 : x
  2. Step 2: Convert to fraction form
    683,226.65/942,842.92 = 377,315.97/x
  3. Step 3: Cross multiply
    683,226.65x = 942,842.92 × 377,315.97
  4. Step 4: Simplify right side
    683,226.65x = 355,749,690,917.43
  5. Step 5: Solve for x
    x = 355,749,690,917.43/683,226.65
  6. Step 6: Final answer
    x = 520,690.60

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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.