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Finding the Fourth Proportional to 648,344.59, 973,201.69 and 364,277.90

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Solution

The fourth proportional to 648,344.59, 973,201.69 and 364,277.90 is: 546,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,344.59 : 973,201.69 = 364,277.90 : x
  2. Step 2: Convert to fraction form
    648,344.59/973,201.69 = 364,277.90/x
  3. Step 3: Cross multiply
    648,344.59x = 973,201.69 × 364,277.90
  4. Step 4: Simplify right side
    648,344.59x = 354,515,867,909.65
  5. Step 5: Solve for x
    x = 354,515,867,909.65/648,344.59
  6. Step 6: Final answer
    x = 546,801.61

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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.