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Finding the Fourth Proportional to 351,411.52, 526,866.72 and 164,320.96

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Solution

The fourth proportional to 351,411.52, 526,866.72 and 164,320.96 is: 246,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,411.52 : 526,866.72 = 164,320.96 : x
  2. Step 2: Convert to fraction form
    351,411.52/526,866.72 = 164,320.96/x
  3. Step 3: Cross multiply
    351,411.52x = 526,866.72 × 164,320.96
  4. Step 4: Simplify right side
    351,411.52x = 86,575,245,222.45
  5. Step 5: Solve for x
    x = 86,575,245,222.45/351,411.52
  6. Step 6: Final answer
    x = 246,364.28

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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.