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Finding the Fourth Proportional to 604,420.60, 905,853.30 and 367,511.80

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Solution

The fourth proportional to 604,420.60, 905,853.30 and 367,511.80 is: 550,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,420.60 : 905,853.30 = 367,511.80 : x
  2. Step 2: Convert to fraction form
    604,420.60/905,853.30 = 367,511.80/x
  3. Step 3: Cross multiply
    604,420.60x = 905,853.30 × 367,511.80
  4. Step 4: Simplify right side
    604,420.60x = 332,911,776,818.94
  5. Step 5: Solve for x
    x = 332,911,776,818.94/604,420.60
  6. Step 6: Final answer
    x = 550,794.89

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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.