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Finding the Fourth Proportional to 255,495.51, 350,030.37 and 245,918.61

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Solution

The fourth proportional to 255,495.51, 350,030.37 and 245,918.61 is: 336,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,495.51 : 350,030.37 = 245,918.61 : x
  2. Step 2: Convert to fraction form
    255,495.51/350,030.37 = 245,918.61/x
  3. Step 3: Cross multiply
    255,495.51x = 350,030.37 × 245,918.61
  4. Step 4: Simplify right side
    255,495.51x = 86,078,982,048.19
  5. Step 5: Solve for x
    x = 86,078,982,048.19/255,495.51
  6. Step 6: Final answer
    x = 336,909.96

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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.