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Finding the Fourth Proportional to 662,994.60, 994,491.90 and 242,215.80

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Solution

The fourth proportional to 662,994.60, 994,491.90 and 242,215.80 is: 363,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,994.60 : 994,491.90 = 242,215.80 : x
  2. Step 2: Convert to fraction form
    662,994.60/994,491.90 = 242,215.80/x
  3. Step 3: Cross multiply
    662,994.60x = 994,491.90 × 242,215.80
  4. Step 4: Simplify right side
    662,994.60x = 240,881,651,152.02
  5. Step 5: Solve for x
    x = 240,881,651,152.02/662,994.60
  6. Step 6: Final answer
    x = 363,323.70

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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.