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Finding the Fourth Proportional to 636,347.23, 953,231.86 and 294,304.75

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Solution

The fourth proportional to 636,347.23, 953,231.86 and 294,304.75 is: 440,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,347.23 : 953,231.86 = 294,304.75 : x
  2. Step 2: Convert to fraction form
    636,347.23/953,231.86 = 294,304.75/x
  3. Step 3: Cross multiply
    636,347.23x = 953,231.86 × 294,304.75
  4. Step 4: Simplify right side
    636,347.23x = 280,540,664,249.34
  5. Step 5: Solve for x
    x = 280,540,664,249.34/636,347.23
  6. Step 6: Final answer
    x = 440,860.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.