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Finding the Fourth Proportional to 339,218.68, 508,846.02 and 102,555.32

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Solution

The fourth proportional to 339,218.68, 508,846.02 and 102,555.32 is: 153,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,218.68 : 508,846.02 = 102,555.32 : x
  2. Step 2: Convert to fraction form
    339,218.68/508,846.02 = 102,555.32/x
  3. Step 3: Cross multiply
    339,218.68x = 508,846.02 × 102,555.32
  4. Step 4: Simplify right side
    339,218.68x = 52,184,866,411.83
  5. Step 5: Solve for x
    x = 52,184,866,411.83/339,218.68
  6. Step 6: Final answer
    x = 153,838.42

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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.