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Finding the Fourth Proportional to 242,770.38, 362,357.90 and 227,811.30

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Solution

The fourth proportional to 242,770.38, 362,357.90 and 227,811.30 is: 340,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,770.38 : 362,357.90 = 227,811.30 : x
  2. Step 2: Convert to fraction form
    242,770.38/362,357.90 = 227,811.30/x
  3. Step 3: Cross multiply
    242,770.38x = 362,357.90 × 227,811.30
  4. Step 4: Simplify right side
    242,770.38x = 82,549,223,125.21
  5. Step 5: Solve for x
    x = 82,549,223,125.21/242,770.38
  6. Step 6: Final answer
    x = 340,030.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.