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Finding the Fourth Proportional to 271,811.60, 407,717.40 and 246,442.40

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Solution

The fourth proportional to 271,811.60, 407,717.40 and 246,442.40 is: 369,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,811.60 : 407,717.40 = 246,442.40 : x
  2. Step 2: Convert to fraction form
    271,811.60/407,717.40 = 246,442.40/x
  3. Step 3: Cross multiply
    271,811.60x = 407,717.40 × 246,442.40
  4. Step 4: Simplify right side
    271,811.60x = 100,478,854,577.76
  5. Step 5: Solve for x
    x = 100,478,854,577.76/271,811.60
  6. Step 6: Final answer
    x = 369,663.60

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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.