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Finding the Fourth Proportional to 304,002.40, 456,003.60 and 248,015.20

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Solution

The fourth proportional to 304,002.40, 456,003.60 and 248,015.20 is: 372,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,002.40 : 456,003.60 = 248,015.20 : x
  2. Step 2: Convert to fraction form
    304,002.40/456,003.60 = 248,015.20/x
  3. Step 3: Cross multiply
    304,002.40x = 456,003.60 × 248,015.20
  4. Step 4: Simplify right side
    304,002.40x = 113,095,824,054.72
  5. Step 5: Solve for x
    x = 113,095,824,054.72/304,002.40
  6. Step 6: Final answer
    x = 372,022.80

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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.