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Finding the Fourth Proportional to 355,604.58, 533,347.32 and 118,946.52

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Solution

The fourth proportional to 355,604.58, 533,347.32 and 118,946.52 is: 178,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,604.58 : 533,347.32 = 118,946.52 : x
  2. Step 2: Convert to fraction form
    355,604.58/533,347.32 = 118,946.52/x
  3. Step 3: Cross multiply
    355,604.58x = 533,347.32 × 118,946.52
  4. Step 4: Simplify right side
    355,604.58x = 63,439,807,665.33
  5. Step 5: Solve for x
    x = 63,439,807,665.33/355,604.58
  6. Step 6: Final answer
    x = 178,399.86

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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.