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Finding the Fourth Proportional to 555,797.64, 767,015.01 and 341,056.38

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Solution

The fourth proportional to 555,797.64, 767,015.01 and 341,056.38 is: 470,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,797.64 : 767,015.01 = 341,056.38 : x
  2. Step 2: Convert to fraction form
    555,797.64/767,015.01 = 341,056.38/x
  3. Step 3: Cross multiply
    555,797.64x = 767,015.01 × 341,056.38
  4. Step 4: Simplify right side
    555,797.64x = 261,595,362,716.26
  5. Step 5: Solve for x
    x = 261,595,362,716.26/555,797.64
  6. Step 6: Final answer
    x = 470,666.56

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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.