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Finding the Fourth Proportional to 362,235.69, 543,445.25 and 255,827.50

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Solution

The fourth proportional to 362,235.69, 543,445.25 and 255,827.50 is: 383,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,235.69 : 543,445.25 = 255,827.50 : x
  2. Step 2: Convert to fraction form
    362,235.69/543,445.25 = 255,827.50/x
  3. Step 3: Cross multiply
    362,235.69x = 543,445.25 × 255,827.50
  4. Step 4: Simplify right side
    362,235.69x = 139,028,239,694.38
  5. Step 5: Solve for x
    x = 139,028,239,694.38/362,235.69
  6. Step 6: Final answer
    x = 383,806.02

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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.