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Finding the Fourth Proportional to 489,076.90, 733,615.35 and 489,076.90

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Solution

The fourth proportional to 489,076.90, 733,615.35 and 489,076.90 is: 733,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,076.90 : 733,615.35 = 489,076.90 : x
  2. Step 2: Convert to fraction form
    489,076.90/733,615.35 = 489,076.90/x
  3. Step 3: Cross multiply
    489,076.90x = 733,615.35 × 489,076.90
  4. Step 4: Simplify right side
    489,076.90x = 358,794,321,170.42
  5. Step 5: Solve for x
    x = 358,794,321,170.42/489,076.90
  6. Step 6: Final answer
    x = 733,615.35

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Similar ratio
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1.5x scale

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.