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Finding the Fourth Proportional to 362,718.60, 544,077.90 and 185,571.60

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Solution

The fourth proportional to 362,718.60, 544,077.90 and 185,571.60 is: 278,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,718.60 : 544,077.90 = 185,571.60 : x
  2. Step 2: Convert to fraction form
    362,718.60/544,077.90 = 185,571.60/x
  3. Step 3: Cross multiply
    362,718.60x = 544,077.90 × 185,571.60
  4. Step 4: Simplify right side
    362,718.60x = 100,965,406,427.64
  5. Step 5: Solve for x
    x = 100,965,406,427.64/362,718.60
  6. Step 6: Final answer
    x = 278,357.40

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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.