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Finding the Fourth Proportional to 532,874.40, 799,311.60 and 489,328.80

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Solution

The fourth proportional to 532,874.40, 799,311.60 and 489,328.80 is: 733,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,874.40 : 799,311.60 = 489,328.80 : x
  2. Step 2: Convert to fraction form
    532,874.40/799,311.60 = 489,328.80/x
  3. Step 3: Cross multiply
    532,874.40x = 799,311.60 × 489,328.80
  4. Step 4: Simplify right side
    532,874.40x = 391,126,186,054.08
  5. Step 5: Solve for x
    x = 391,126,186,054.08/532,874.40
  6. Step 6: Final answer
    x = 733,993.20

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Similar ratio
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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.