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Finding the Fourth Proportional to 413,671.92, 620,509.50 and 273,399.36

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Solution

The fourth proportional to 413,671.92, 620,509.50 and 273,399.36 is: 410,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,671.92 : 620,509.50 = 273,399.36 : x
  2. Step 2: Convert to fraction form
    413,671.92/620,509.50 = 273,399.36/x
  3. Step 3: Cross multiply
    413,671.92x = 620,509.50 × 273,399.36
  4. Step 4: Simplify right side
    413,671.92x = 169,646,900,173.92
  5. Step 5: Solve for x
    x = 169,646,900,173.92/413,671.92
  6. Step 6: Final answer
    x = 410,100.11

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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.