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Finding the Fourth Proportional to 304,485.60, 456,339.60 and 234,015.60

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Solution

The fourth proportional to 304,485.60, 456,339.60 and 234,015.60 is: 350,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485.60 : 456,339.60 = 234,015.60 : x
  2. Step 2: Convert to fraction form
    304,485.60/456,339.60 = 234,015.60/x
  3. Step 3: Cross multiply
    304,485.60x = 456,339.60 × 234,015.60
  4. Step 4: Simplify right side
    304,485.60x = 106,790,585,297.76
  5. Step 5: Solve for x
    x = 106,790,585,297.76/304,485.60
  6. Step 6: Final answer
    x = 350,724.58

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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.