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Finding the Fourth Proportional to 492,321.60, 738,482.40 and 367,905.60

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Solution

The fourth proportional to 492,321.60, 738,482.40 and 367,905.60 is: 551,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,321.60 : 738,482.40 = 367,905.60 : x
  2. Step 2: Convert to fraction form
    492,321.60/738,482.40 = 367,905.60/x
  3. Step 3: Cross multiply
    492,321.60x = 738,482.40 × 367,905.60
  4. Step 4: Simplify right side
    492,321.60x = 271,691,810,461.44
  5. Step 5: Solve for x
    x = 271,691,810,461.44/492,321.60
  6. Step 6: Final answer
    x = 551,858.40

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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.