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Finding the Fourth Proportional to 341,282.73, 511,705.38 and 141,740.85

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Solution

The fourth proportional to 341,282.73, 511,705.38 and 141,740.85 is: 212,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,282.73 : 511,705.38 = 141,740.85 : x
  2. Step 2: Convert to fraction form
    341,282.73/511,705.38 = 141,740.85/x
  3. Step 3: Cross multiply
    341,282.73x = 511,705.38 × 141,740.85
  4. Step 4: Simplify right side
    341,282.73x = 72,529,555,510.77
  5. Step 5: Solve for x
    x = 72,529,555,510.77/341,282.73
  6. Step 6: Final answer
    x = 212,520.44

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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.