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Finding the Fourth Proportional to 532,617.80, 799,272.30 and 307,977.80

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Solution

The fourth proportional to 532,617.80, 799,272.30 and 307,977.80 is: 462,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,617.80 : 799,272.30 = 307,977.80 : x
  2. Step 2: Convert to fraction form
    532,617.80/799,272.30 = 307,977.80/x
  3. Step 3: Cross multiply
    532,617.80x = 799,272.30 × 307,977.80
  4. Step 4: Simplify right side
    532,617.80x = 246,158,124,554.94
  5. Step 5: Solve for x
    x = 246,158,124,554.94/532,617.80
  6. Step 6: Final answer
    x = 462,166.54

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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.