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Finding the Fourth Proportional to 489,272.40, 733,908.60 and 489,272.40

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Solution

The fourth proportional to 489,272.40, 733,908.60 and 489,272.40 is: 733,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,272.40 : 733,908.60 = 489,272.40 : x
  2. Step 2: Convert to fraction form
    489,272.40/733,908.60 = 489,272.40/x
  3. Step 3: Cross multiply
    489,272.40x = 733,908.60 × 489,272.40
  4. Step 4: Simplify right side
    489,272.40x = 359,081,222,102.64
  5. Step 5: Solve for x
    x = 359,081,222,102.64/489,272.40
  6. Step 6: Final answer
    x = 733,908.60

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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.