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Finding the Fourth Proportional to 355,559.64, 533,228.28 and 118,846.97

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Solution

The fourth proportional to 355,559.64, 533,228.28 and 118,846.97 is: 178,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,559.64 : 533,228.28 = 118,846.97 : x
  2. Step 2: Convert to fraction form
    355,559.64/533,228.28 = 118,846.97/x
  3. Step 3: Cross multiply
    355,559.64x = 533,228.28 × 118,846.97
  4. Step 4: Simplify right side
    355,559.64x = 63,372,562,730.17
  5. Step 5: Solve for x
    x = 63,372,562,730.17/355,559.64
  6. Step 6: Final answer
    x = 178,233.29

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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.