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Finding the Fourth Proportional to 492,324.60, 738,486.90 and 367,908.60

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Solution

The fourth proportional to 492,324.60, 738,486.90 and 367,908.60 is: 551,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,324.60 : 738,486.90 = 367,908.60 : x
  2. Step 2: Convert to fraction form
    492,324.60/738,486.90 = 367,908.60/x
  3. Step 3: Cross multiply
    492,324.60x = 738,486.90 × 367,908.60
  4. Step 4: Simplify right side
    492,324.60x = 271,695,681,497.34
  5. Step 5: Solve for x
    x = 271,695,681,497.34/492,324.60
  6. Step 6: Final answer
    x = 551,862.90

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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.