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Finding the Fourth Proportional to 351,536.40, 527,654.56 and 193,839.12

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Solution

The fourth proportional to 351,536.40, 527,654.56 and 193,839.12 is: 290,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,536.40 : 527,654.56 = 193,839.12 : x
  2. Step 2: Convert to fraction form
    351,536.40/527,654.56 = 193,839.12/x
  3. Step 3: Cross multiply
    351,536.40x = 527,654.56 × 193,839.12
  4. Step 4: Simplify right side
    351,536.40x = 102,280,095,574.39
  5. Step 5: Solve for x
    x = 102,280,095,574.39/351,536.40
  6. Step 6: Final answer
    x = 290,951.65

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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.