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Finding the Fourth Proportional to 565,325.82, 780,103.98 and 323,553.24

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Solution

The fourth proportional to 565,325.82, 780,103.98 and 323,553.24 is: 446,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,325.82 : 780,103.98 = 323,553.24 : x
  2. Step 2: Convert to fraction form
    565,325.82/780,103.98 = 323,553.24/x
  3. Step 3: Cross multiply
    565,325.82x = 780,103.98 × 323,553.24
  4. Step 4: Simplify right side
    565,325.82x = 252,405,170,265.90
  5. Step 5: Solve for x
    x = 252,405,170,265.90/565,325.82
  6. Step 6: Final answer
    x = 446,477.34

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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.