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Finding the Fourth Proportional to 399,176.40, 598,764.60 and 241,323.60

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Solution

The fourth proportional to 399,176.40, 598,764.60 and 241,323.60 is: 361,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,176.40 : 598,764.60 = 241,323.60 : x
  2. Step 2: Convert to fraction form
    399,176.40/598,764.60 = 241,323.60/x
  3. Step 3: Cross multiply
    399,176.40x = 598,764.60 × 241,323.60
  4. Step 4: Simplify right side
    399,176.40x = 144,496,028,824.56
  5. Step 5: Solve for x
    x = 144,496,028,824.56/399,176.40
  6. Step 6: Final answer
    x = 361,985.40

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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.