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Finding the Fourth Proportional to 544,980.96, 752,163.84 and 318,582.72

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Solution

The fourth proportional to 544,980.96, 752,163.84 and 318,582.72 is: 439,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,980.96 : 752,163.84 = 318,582.72 : x
  2. Step 2: Convert to fraction form
    544,980.96/752,163.84 = 318,582.72/x
  3. Step 3: Cross multiply
    544,980.96x = 752,163.84 × 318,582.72
  4. Step 4: Simplify right side
    544,980.96x = 239,626,402,032.85
  5. Step 5: Solve for x
    x = 239,626,402,032.85/544,980.96
  6. Step 6: Final answer
    x = 439,696.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.