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Finding the Fourth Proportional to 271,390.20, 407,522.70 and 183,035.40

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Solution

The fourth proportional to 271,390.20, 407,522.70 and 183,035.40 is: 274,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,390.20 : 407,522.70 = 183,035.40 : x
  2. Step 2: Convert to fraction form
    271,390.20/407,522.70 = 183,035.40/x
  3. Step 3: Cross multiply
    271,390.20x = 407,522.70 × 183,035.40
  4. Step 4: Simplify right side
    271,390.20x = 74,591,080,403.58
  5. Step 5: Solve for x
    x = 74,591,080,403.58/271,390.20
  6. Step 6: Final answer
    x = 274,848.10

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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.