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Finding the Fourth Proportional to 532,826.53, 798,550.88 and 398,654.08

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Solution

The fourth proportional to 532,826.53, 798,550.88 and 398,654.08 is: 597,465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,826.53 : 798,550.88 = 398,654.08 : x
  2. Step 2: Convert to fraction form
    532,826.53/798,550.88 = 398,654.08/x
  3. Step 3: Cross multiply
    532,826.53x = 798,550.88 × 398,654.08
  4. Step 4: Simplify right side
    532,826.53x = 318,345,562,409.94
  5. Step 5: Solve for x
    x = 318,345,562,409.94/532,826.53
  6. Step 6: Final answer
    x = 597,465.68

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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.