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Finding the Fourth Proportional to 326,893.44, 489,426.62 and 176,595.28

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Solution

The fourth proportional to 326,893.44, 489,426.62 and 176,595.28 is: 264,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,893.44 : 489,426.62 = 176,595.28 : x
  2. Step 2: Convert to fraction form
    326,893.44/489,426.62 = 176,595.28/x
  3. Step 3: Cross multiply
    326,893.44x = 489,426.62 × 176,595.28
  4. Step 4: Simplify right side
    326,893.44x = 86,430,430,998.35
  5. Step 5: Solve for x
    x = 86,430,430,998.35/326,893.44
  6. Step 6: Final answer
    x = 264,399.40

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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.