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Finding the Fourth Proportional to 324,992.66, 448,476.62 and 189,030.51

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Solution

The fourth proportional to 324,992.66, 448,476.62 and 189,030.51 is: 260,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,992.66 : 448,476.62 = 189,030.51 : x
  2. Step 2: Convert to fraction form
    324,992.66/448,476.62 = 189,030.51/x
  3. Step 3: Cross multiply
    324,992.66x = 448,476.62 × 189,030.51
  4. Step 4: Simplify right side
    324,992.66x = 84,775,763,256.52
  5. Step 5: Solve for x
    x = 84,775,763,256.52/324,992.66
  6. Step 6: Final answer
    x = 260,854.40

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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.