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Finding the Fourth Proportional to 372,975.46, 559,467.11 and 298,568.60

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Solution

The fourth proportional to 372,975.46, 559,467.11 and 298,568.60 is: 447,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,975.46 : 559,467.11 = 298,568.60 : x
  2. Step 2: Convert to fraction form
    372,975.46/559,467.11 = 298,568.60/x
  3. Step 3: Cross multiply
    372,975.46x = 559,467.11 × 298,568.60
  4. Step 4: Simplify right side
    372,975.46x = 167,039,312,804.20
  5. Step 5: Solve for x
    x = 167,039,312,804.20/372,975.46
  6. Step 6: Final answer
    x = 447,856.04

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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.