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Finding the Fourth Proportional to 327,556.52, 490,547.38 and 186,888.68

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Solution

The fourth proportional to 327,556.52, 490,547.38 and 186,888.68 is: 279,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,556.52 : 490,547.38 = 186,888.68 : x
  2. Step 2: Convert to fraction form
    327,556.52/490,547.38 = 186,888.68/x
  3. Step 3: Cross multiply
    327,556.52x = 490,547.38 × 186,888.68
  4. Step 4: Simplify right side
    327,556.52x = 91,677,752,325.66
  5. Step 5: Solve for x
    x = 91,677,752,325.66/327,556.52
  6. Step 6: Final answer
    x = 279,883.77

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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.