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Finding the Fourth Proportional to 326,252.41, 489,220.40 and 191,360.56

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Solution

The fourth proportional to 326,252.41, 489,220.40 and 191,360.56 is: 286,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,252.41 : 489,220.40 = 191,360.56 : x
  2. Step 2: Convert to fraction form
    326,252.41/489,220.40 = 191,360.56/x
  3. Step 3: Cross multiply
    326,252.41x = 489,220.40 × 191,360.56
  4. Step 4: Simplify right side
    326,252.41x = 93,617,487,261.32
  5. Step 5: Solve for x
    x = 93,617,487,261.32/326,252.41
  6. Step 6: Final answer
    x = 286,948.03

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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.