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Finding the Fourth Proportional to 532,409.76, 798,394.32 and 216,652.32

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Solution

The fourth proportional to 532,409.76, 798,394.32 and 216,652.32 is: 324,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,409.76 : 798,394.32 = 216,652.32 : x
  2. Step 2: Convert to fraction form
    532,409.76/798,394.32 = 216,652.32/x
  3. Step 3: Cross multiply
    532,409.76x = 798,394.32 × 216,652.32
  4. Step 4: Simplify right side
    532,409.76x = 172,973,981,702.82
  5. Step 5: Solve for x
    x = 172,973,981,702.82/532,409.76
  6. Step 6: Final answer
    x = 324,888.83

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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.