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Finding the Fourth Proportional to 427,653.14, 590,157.90 and 236,677.01

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Solution

The fourth proportional to 427,653.14, 590,157.90 and 236,677.01 is: 326,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,653.14 : 590,157.90 = 236,677.01 : x
  2. Step 2: Convert to fraction form
    427,653.14/590,157.90 = 236,677.01/x
  3. Step 3: Cross multiply
    427,653.14x = 590,157.90 × 236,677.01
  4. Step 4: Simplify right side
    427,653.14x = 139,676,804,249.09
  5. Step 5: Solve for x
    x = 139,676,804,249.09/427,653.14
  6. Step 6: Final answer
    x = 326,612.37

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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.