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Finding the Fourth Proportional to 383,651.52, 575,785.44 and 173,307.84

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Solution

The fourth proportional to 383,651.52, 575,785.44 and 173,307.84 is: 260,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,651.52 : 575,785.44 = 173,307.84 : x
  2. Step 2: Convert to fraction form
    383,651.52/575,785.44 = 173,307.84/x
  3. Step 3: Cross multiply
    383,651.52x = 575,785.44 × 173,307.84
  4. Step 4: Simplify right side
    383,651.52x = 99,788,130,909.85
  5. Step 5: Solve for x
    x = 99,788,130,909.85/383,651.52
  6. Step 6: Final answer
    x = 260,100.97

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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.