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Finding the Fourth Proportional to 426,264.51, 588,249.91 and 235,278.06

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Solution

The fourth proportional to 426,264.51, 588,249.91 and 235,278.06 is: 324,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,264.51 : 588,249.91 = 235,278.06 : x
  2. Step 2: Convert to fraction form
    426,264.51/588,249.91 = 235,278.06/x
  3. Step 3: Cross multiply
    426,264.51x = 588,249.91 × 235,278.06
  4. Step 4: Simplify right side
    426,264.51x = 138,402,297,619.98
  5. Step 5: Solve for x
    x = 138,402,297,619.98/426,264.51
  6. Step 6: Final answer
    x = 324,686.42

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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.