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Finding the Fourth Proportional to 265,880.64, 398,896.32 and 108,222.24

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Solution

The fourth proportional to 265,880.64, 398,896.32 and 108,222.24 is: 162,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,880.64 : 398,896.32 = 108,222.24 : x
  2. Step 2: Convert to fraction form
    265,880.64/398,896.32 = 108,222.24/x
  3. Step 3: Cross multiply
    265,880.64x = 398,896.32 × 108,222.24
  4. Step 4: Simplify right side
    265,880.64x = 43,169,453,278.16
  5. Step 5: Solve for x
    x = 43,169,453,278.16/265,880.64
  6. Step 6: Final answer
    x = 162,364.03

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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.