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Finding the Fourth Proportional to 565,595.57, 847,257.42 and 261,563.57

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Solution

The fourth proportional to 565,595.57, 847,257.42 and 261,563.57 is: 391,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,595.57 : 847,257.42 = 261,563.57 : x
  2. Step 2: Convert to fraction form
    565,595.57/847,257.42 = 261,563.57/x
  3. Step 3: Cross multiply
    565,595.57x = 847,257.42 × 261,563.57
  4. Step 4: Simplify right side
    565,595.57x = 221,611,673,934.69
  5. Step 5: Solve for x
    x = 221,611,673,934.69/565,595.57
  6. Step 6: Final answer
    x = 391,820.03

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1.5x scale

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.