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Finding the Fourth Proportional to 304,728.60, 456,954.66 and 198,007.32

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Solution

The fourth proportional to 304,728.60, 456,954.66 and 198,007.32 is: 296,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,728.60 : 456,954.66 = 198,007.32 : x
  2. Step 2: Convert to fraction form
    304,728.60/456,954.66 = 198,007.32/x
  3. Step 3: Cross multiply
    304,728.60x = 456,954.66 × 198,007.32
  4. Step 4: Simplify right side
    304,728.60x = 90,480,367,588.11
  5. Step 5: Solve for x
    x = 90,480,367,588.11/304,728.60
  6. Step 6: Final answer
    x = 296,921.15

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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.