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Finding the Fourth Proportional to 647,933.80, 971,555.10 and 273,533.80

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Solution

The fourth proportional to 647,933.80, 971,555.10 and 273,533.80 is: 410,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,933.80 : 971,555.10 = 273,533.80 : x
  2. Step 2: Convert to fraction form
    647,933.80/971,555.10 = 273,533.80/x
  3. Step 3: Cross multiply
    647,933.80x = 971,555.10 × 273,533.80
  4. Step 4: Simplify right side
    647,933.80x = 265,753,158,412.38
  5. Step 5: Solve for x
    x = 265,753,158,412.38/647,933.80
  6. Step 6: Final answer
    x = 410,154.80

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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.