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Finding the Fourth Proportional to 245,346.40, 368,019.60 and 227,631.70

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Solution

The fourth proportional to 245,346.40, 368,019.60 and 227,631.70 is: 341,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,346.40 : 368,019.60 = 227,631.70 : x
  2. Step 2: Convert to fraction form
    245,346.40/368,019.60 = 227,631.70/x
  3. Step 3: Cross multiply
    245,346.40x = 368,019.60 × 227,631.70
  4. Step 4: Simplify right side
    245,346.40x = 83,772,927,181.32
  5. Step 5: Solve for x
    x = 83,772,927,181.32/245,346.40
  6. Step 6: Final answer
    x = 341,447.55

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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.