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Finding the Fourth Proportional to 295,289.52, 442,992.64 and 108,302.64

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Solution

The fourth proportional to 295,289.52, 442,992.64 and 108,302.64 is: 162,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,289.52 : 442,992.64 = 108,302.64 : x
  2. Step 2: Convert to fraction form
    295,289.52/442,992.64 = 108,302.64/x
  3. Step 3: Cross multiply
    295,289.52x = 442,992.64 × 108,302.64
  4. Step 4: Simplify right side
    295,289.52x = 47,977,272,412.57
  5. Step 5: Solve for x
    x = 47,977,272,412.57/295,289.52
  6. Step 6: Final answer
    x = 162,475.36

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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.