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Finding the Fourth Proportional to 449,704.87, 620,594.34 and 245,758.92

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Solution

The fourth proportional to 449,704.87, 620,594.34 and 245,758.92 is: 339,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,704.87 : 620,594.34 = 245,758.92 : x
  2. Step 2: Convert to fraction form
    449,704.87/620,594.34 = 245,758.92/x
  3. Step 3: Cross multiply
    449,704.87x = 620,594.34 × 245,758.92
  4. Step 4: Simplify right side
    449,704.87x = 152,516,594,756.51
  5. Step 5: Solve for x
    x = 152,516,594,756.51/449,704.87
  6. Step 6: Final answer
    x = 339,148.19

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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.