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Finding the Fourth Proportional to 326,065.33, 489,238.80 and 176,411.08

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Solution

The fourth proportional to 326,065.33, 489,238.80 and 176,411.08 is: 264,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,065.33 : 489,238.80 = 176,411.08 : x
  2. Step 2: Convert to fraction form
    326,065.33/489,238.80 = 176,411.08/x
  3. Step 3: Cross multiply
    326,065.33x = 489,238.80 × 176,411.08
  4. Step 4: Simplify right side
    326,065.33x = 86,307,145,085.90
  5. Step 5: Solve for x
    x = 86,307,145,085.90/326,065.33
  6. Step 6: Final answer
    x = 264,692.80

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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.