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Finding the Fourth Proportional to 441,063.87, 608,575.34 and 288,325.85

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Solution

The fourth proportional to 441,063.87, 608,575.34 and 288,325.85 is: 397,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,063.87 : 608,575.34 = 288,325.85 : x
  2. Step 2: Convert to fraction form
    441,063.87/608,575.34 = 288,325.85/x
  3. Step 3: Cross multiply
    441,063.87x = 608,575.34 × 288,325.85
  4. Step 4: Simplify right side
    441,063.87x = 175,467,999,872.48
  5. Step 5: Solve for x
    x = 175,467,999,872.48/441,063.87
  6. Step 6: Final answer
    x = 397,829.01

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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.