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Finding the Fourth Proportional to 329,435.36, 454,281.37 and 281,846.24

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Solution

The fourth proportional to 329,435.36, 454,281.37 and 281,846.24 is: 388,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,435.36 : 454,281.37 = 281,846.24 : x
  2. Step 2: Convert to fraction form
    329,435.36/454,281.37 = 281,846.24/x
  3. Step 3: Cross multiply
    329,435.36x = 454,281.37 × 281,846.24
  4. Step 4: Simplify right side
    329,435.36x = 128,037,493,060.53
  5. Step 5: Solve for x
    x = 128,037,493,060.53/329,435.36
  6. Step 6: Final answer
    x = 388,657.41

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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.