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Finding the Fourth Proportional to 363,456.40, 544,968.60 and 223,315.60

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Solution

The fourth proportional to 363,456.40, 544,968.60 and 223,315.60 is: 334,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,456.40 : 544,968.60 = 223,315.60 : x
  2. Step 2: Convert to fraction form
    363,456.40/544,968.60 = 223,315.60/x
  3. Step 3: Cross multiply
    363,456.40x = 544,968.60 × 223,315.60
  4. Step 4: Simplify right side
    363,456.40x = 121,699,989,890.16
  5. Step 5: Solve for x
    x = 121,699,989,890.16/363,456.40
  6. Step 6: Final answer
    x = 334,840.68

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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.