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Finding the Fourth Proportional to 383,975.62, 575,924.52 and 103,521.22

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Solution

The fourth proportional to 383,975.62, 575,924.52 and 103,521.22 is: 155,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,975.62 : 575,924.52 = 103,521.22 : x
  2. Step 2: Convert to fraction form
    383,975.62/575,924.52 = 103,521.22/x
  3. Step 3: Cross multiply
    383,975.62x = 575,924.52 × 103,521.22
  4. Step 4: Simplify right side
    383,975.62x = 59,620,408,938.31
  5. Step 5: Solve for x
    x = 59,620,408,938.31/383,975.62
  6. Step 6: Final answer
    x = 155,271.34

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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.