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Finding the Fourth Proportional to 492,777.76, 680,033.43 and 272,015.18

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Solution

The fourth proportional to 492,777.76, 680,033.43 and 272,015.18 is: 375,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,777.76 : 680,033.43 = 272,015.18 : x
  2. Step 2: Convert to fraction form
    492,777.76/680,033.43 = 272,015.18/x
  3. Step 3: Cross multiply
    492,777.76x = 680,033.43 × 272,015.18
  4. Step 4: Simplify right side
    492,777.76x = 184,979,415,017.43
  5. Step 5: Solve for x
    x = 184,979,415,017.43/492,777.76
  6. Step 6: Final answer
    x = 375,381.02

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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.