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Finding the Fourth Proportional to 341,213.60, 511,601.43 and 141,671.72

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Solution

The fourth proportional to 341,213.60, 511,601.43 and 141,671.72 is: 212,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,213.60 : 511,601.43 = 141,671.72 : x
  2. Step 2: Convert to fraction form
    341,213.60/511,601.43 = 141,671.72/x
  3. Step 3: Cross multiply
    341,213.60x = 511,601.43 × 141,671.72
  4. Step 4: Simplify right side
    341,213.60x = 72,479,456,352.83
  5. Step 5: Solve for x
    x = 72,479,456,352.83/341,213.60
  6. Step 6: Final answer
    x = 212,416.67

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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.