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Finding the Fourth Proportional to 304,388.73, 420,028.74 and 175,293

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Solution

The fourth proportional to 304,388.73, 420,028.74 and 175,293 is: 241,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,388.73 : 420,028.74 = 175,293 : x
  2. Step 2: Convert to fraction form
    304,388.73/420,028.74 = 175,293/x
  3. Step 3: Cross multiply
    304,388.73x = 420,028.74 × 175,293
  4. Step 4: Simplify right side
    304,388.73x = 73,628,097,920.82
  5. Step 5: Solve for x
    x = 73,628,097,920.82/304,388.73
  6. Step 6: Final answer
    x = 241,888.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.