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Finding the Fourth Proportional to 489,440.96, 734,005.88 and 332,676.80

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Solution

The fourth proportional to 489,440.96, 734,005.88 and 332,676.80 is: 498,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,440.96 : 734,005.88 = 332,676.80 : x
  2. Step 2: Convert to fraction form
    489,440.96/734,005.88 = 332,676.80/x
  3. Step 3: Cross multiply
    489,440.96x = 734,005.88 × 332,676.80
  4. Step 4: Simplify right side
    489,440.96x = 244,186,727,339.58
  5. Step 5: Solve for x
    x = 244,186,727,339.58/489,440.96
  6. Step 6: Final answer
    x = 498,909.46

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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.