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Finding the Fourth Proportional to 435,693.82, 653,651.61 and 255,931.27

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Solution

The fourth proportional to 435,693.82, 653,651.61 and 255,931.27 is: 383,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,693.82 : 653,651.61 = 255,931.27 : x
  2. Step 2: Convert to fraction form
    435,693.82/653,651.61 = 255,931.27/x
  3. Step 3: Cross multiply
    435,693.82x = 653,651.61 × 255,931.27
  4. Step 4: Simplify right side
    435,693.82x = 167,289,886,684.85
  5. Step 5: Solve for x
    x = 167,289,886,684.85/435,693.82
  6. Step 6: Final answer
    x = 383,962.04

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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.