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Finding the Fourth Proportional to 703,000.38, 1,054,680.38 and 204,364.38

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Solution

The fourth proportional to 703,000.38, 1,054,680.38 and 204,364.38 is: 306,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,000.38 : 1,054,680.38 = 204,364.38 : x
  2. Step 2: Convert to fraction form
    703,000.38/1,054,680.38 = 204,364.38/x
  3. Step 3: Cross multiply
    703,000.38x = 1,054,680.38 × 204,364.38
  4. Step 4: Simplify right side
    703,000.38x = 215,539,101,956.86
  5. Step 5: Solve for x
    x = 215,539,101,956.86/703,000.38
  6. Step 6: Final answer
    x = 306,598.84

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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.