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Finding the Fourth Proportional to 556,889.96, 833,441.16 and 343,791.92

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Solution

The fourth proportional to 556,889.96, 833,441.16 and 343,791.92 is: 514,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,889.96 : 833,441.16 = 343,791.92 : x
  2. Step 2: Convert to fraction form
    556,889.96/833,441.16 = 343,791.92/x
  3. Step 3: Cross multiply
    556,889.96x = 833,441.16 × 343,791.92
  4. Step 4: Simplify right side
    556,889.96x = 286,530,336,603.43
  5. Step 5: Solve for x
    x = 286,530,336,603.43/556,889.96
  6. Step 6: Final answer
    x = 514,518.77

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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.