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Finding the Fourth Proportional to 436,745.96, 602,660.58 and 245,825

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Solution

The fourth proportional to 436,745.96, 602,660.58 and 245,825 is: 339,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,745.96 : 602,660.58 = 245,825 : x
  2. Step 2: Convert to fraction form
    436,745.96/602,660.58 = 245,825/x
  3. Step 3: Cross multiply
    436,745.96x = 602,660.58 × 245,825
  4. Step 4: Simplify right side
    436,745.96x = 148,149,037,078.50
  5. Step 5: Solve for x
    x = 148,149,037,078.50/436,745.96
  6. Step 6: Final answer
    x = 339,211.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.