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Finding the Fourth Proportional to 350,911.78, 526,312.71 and 114,252.86

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Solution

The fourth proportional to 350,911.78, 526,312.71 and 114,252.86 is: 171,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,911.78 : 526,312.71 = 114,252.86 : x
  2. Step 2: Convert to fraction form
    350,911.78/526,312.71 = 114,252.86/x
  3. Step 3: Cross multiply
    350,911.78x = 526,312.71 × 114,252.86
  4. Step 4: Simplify right side
    350,911.78x = 60,132,733,687.63
  5. Step 5: Solve for x
    x = 60,132,733,687.63/350,911.78
  6. Step 6: Final answer
    x = 171,361.40

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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.