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Finding the Fourth Proportional to 614,840.00, 921,992.15 and 326,588.56

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Solution

The fourth proportional to 614,840.00, 921,992.15 and 326,588.56 is: 489,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,840.00 : 921,992.15 = 326,588.56 : x
  2. Step 2: Convert to fraction form
    614,840.00/921,992.15 = 326,588.56/x
  3. Step 3: Cross multiply
    614,840.00x = 921,992.15 × 326,588.56
  4. Step 4: Simplify right side
    614,840.00x = 301,112,085,947.44
  5. Step 5: Solve for x
    x = 301,112,085,947.44/614,840.00
  6. Step 6: Final answer
    x = 489,740.56

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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.