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Finding the Fourth Proportional to 383,803.85, 575,421.47 and 183,933.92

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Solution

The fourth proportional to 383,803.85, 575,421.47 and 183,933.92 is: 275,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,803.85 : 575,421.47 = 183,933.92 : x
  2. Step 2: Convert to fraction form
    383,803.85/575,421.47 = 183,933.92/x
  3. Step 3: Cross multiply
    383,803.85x = 575,421.47 × 183,933.92
  4. Step 4: Simplify right side
    383,803.85x = 105,839,527,837.90
  5. Step 5: Solve for x
    x = 105,839,527,837.90/383,803.85
  6. Step 6: Final answer
    x = 275,764.63

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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.