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Finding the Fourth Proportional to 558,652.51, 770,956.55 and 304,019.83

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Solution

The fourth proportional to 558,652.51, 770,956.55 and 304,019.83 is: 419,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,652.51 : 770,956.55 = 304,019.83 : x
  2. Step 2: Convert to fraction form
    558,652.51/770,956.55 = 304,019.83/x
  3. Step 3: Cross multiply
    558,652.51x = 770,956.55 × 304,019.83
  4. Step 4: Simplify right side
    558,652.51x = 234,386,079,268.39
  5. Step 5: Solve for x
    x = 234,386,079,268.39/558,652.51
  6. Step 6: Final answer
    x = 419,556.12

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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.