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Finding the Fourth Proportional to 265,552.12, 398,399.26 and 115,804.59

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Solution

The fourth proportional to 265,552.12, 398,399.26 and 115,804.59 is: 173,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,552.12 : 398,399.26 = 115,804.59 : x
  2. Step 2: Convert to fraction form
    265,552.12/398,399.26 = 115,804.59/x
  3. Step 3: Cross multiply
    265,552.12x = 398,399.26 × 115,804.59
  4. Step 4: Simplify right side
    265,552.12x = 46,136,462,960.60
  5. Step 5: Solve for x
    x = 46,136,462,960.60/265,552.12
  6. Step 6: Final answer
    x = 173,737.88

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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.