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Finding the Fourth Proportional to 372,665.94, 514,351.80 and 236,858.10

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Solution

The fourth proportional to 372,665.94, 514,351.80 and 236,858.10 is: 326,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,665.94 : 514,351.80 = 236,858.10 : x
  2. Step 2: Convert to fraction form
    372,665.94/514,351.80 = 236,858.10/x
  3. Step 3: Cross multiply
    372,665.94x = 514,351.80 × 236,858.10
  4. Step 4: Simplify right side
    372,665.94x = 121,828,390,079.58
  5. Step 5: Solve for x
    x = 121,828,390,079.58/372,665.94
  6. Step 6: Final answer
    x = 326,910.45

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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.