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Finding the Fourth Proportional to 427,911.64, 590,536.52 and 236,925.03

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Solution

The fourth proportional to 427,911.64, 590,536.52 and 236,925.03 is: 326,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,911.64 : 590,536.52 = 236,925.03 : x
  2. Step 2: Convert to fraction form
    427,911.64/590,536.52 = 236,925.03/x
  3. Step 3: Cross multiply
    427,911.64x = 590,536.52 × 236,925.03
  4. Step 4: Simplify right side
    427,911.64x = 139,912,882,717.10
  5. Step 5: Solve for x
    x = 139,912,882,717.10/427,911.64
  6. Step 6: Final answer
    x = 326,966.76

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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.