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Finding the Fourth Proportional to 511,667.36, 706,095.32 and 282,234.32

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Solution

The fourth proportional to 511,667.36, 706,095.32 and 282,234.32 is: 389,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,667.36 : 706,095.32 = 282,234.32 : x
  2. Step 2: Convert to fraction form
    511,667.36/706,095.32 = 282,234.32/x
  3. Step 3: Cross multiply
    511,667.36x = 706,095.32 × 282,234.32
  4. Step 4: Simplify right side
    511,667.36x = 199,284,327,553.73
  5. Step 5: Solve for x
    x = 199,284,327,553.73/511,667.36
  6. Step 6: Final answer
    x = 389,480.25

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1.5x scale

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.