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Finding the Fourth Proportional to 662,777.40, 994,166.10 and 382,063.80

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Solution

The fourth proportional to 662,777.40, 994,166.10 and 382,063.80 is: 573,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,777.40 : 994,166.10 = 382,063.80 : x
  2. Step 2: Convert to fraction form
    662,777.40/994,166.10 = 382,063.80/x
  3. Step 3: Cross multiply
    662,777.40x = 994,166.10 × 382,063.80
  4. Step 4: Simplify right side
    662,777.40x = 379,834,877,997.18
  5. Step 5: Solve for x
    x = 379,834,877,997.18/662,777.40
  6. Step 6: Final answer
    x = 573,095.70

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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.