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Finding the Fourth Proportional to 255,498.51, 350,034.48 and 245,921.61

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Solution

The fourth proportional to 255,498.51, 350,034.48 and 245,921.61 is: 336,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,498.51 : 350,034.48 = 245,921.61 : x
  2. Step 2: Convert to fraction form
    255,498.51/350,034.48 = 245,921.61/x
  3. Step 3: Cross multiply
    255,498.51x = 350,034.48 × 245,921.61
  4. Step 4: Simplify right side
    255,498.51x = 86,081,042,877.11
  5. Step 5: Solve for x
    x = 86,081,042,877.11/255,498.51
  6. Step 6: Final answer
    x = 336,914.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.