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Finding the Fourth Proportional to 347,367.63, 521,050.64 and 228,176.94

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Solution

The fourth proportional to 347,367.63, 521,050.64 and 228,176.94 is: 342,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,367.63 : 521,050.64 = 228,176.94 : x
  2. Step 2: Convert to fraction form
    347,367.63/521,050.64 = 228,176.94/x
  3. Step 3: Cross multiply
    347,367.63x = 521,050.64 × 228,176.94
  4. Step 4: Simplify right side
    347,367.63x = 118,891,739,479.36
  5. Step 5: Solve for x
    x = 118,891,739,479.36/347,367.63
  6. Step 6: Final answer
    x = 342,264.88

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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.