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Finding the Fourth Proportional to 476,589.22, 657,528.68 and 304,607.84

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Solution

The fourth proportional to 476,589.22, 657,528.68 and 304,607.84 is: 420,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,589.22 : 657,528.68 = 304,607.84 : x
  2. Step 2: Convert to fraction form
    476,589.22/657,528.68 = 304,607.84/x
  3. Step 3: Cross multiply
    476,589.22x = 657,528.68 × 304,607.84
  4. Step 4: Simplify right side
    476,589.22x = 200,288,390,952.85
  5. Step 5: Solve for x
    x = 200,288,390,952.85/476,589.22
  6. Step 6: Final answer
    x = 420,253.72

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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.