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Finding the Fourth Proportional to 383,548.44, 575,322.16 and 103,065.70

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Solution

The fourth proportional to 383,548.44, 575,322.16 and 103,065.70 is: 154,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,548.44 : 575,322.16 = 103,065.70 : x
  2. Step 2: Convert to fraction form
    383,548.44/575,322.16 = 103,065.70/x
  3. Step 3: Cross multiply
    383,548.44x = 575,322.16 × 103,065.70
  4. Step 4: Simplify right side
    383,548.44x = 59,295,981,145.91
  5. Step 5: Solve for x
    x = 59,295,981,145.91/383,548.44
  6. Step 6: Final answer
    x = 154,598.42

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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.