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Finding the Fourth Proportional to 325,532.52, 488,303.64 and 100,890.36

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Solution

The fourth proportional to 325,532.52, 488,303.64 and 100,890.36 is: 151,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.52 : 488,303.64 = 100,890.36 : x
  2. Step 2: Convert to fraction form
    325,532.52/488,303.64 = 100,890.36/x
  3. Step 3: Cross multiply
    325,532.52x = 488,303.64 × 100,890.36
  4. Step 4: Simplify right side
    325,532.52x = 49,265,130,028.91
  5. Step 5: Solve for x
    x = 49,265,130,028.91/325,532.52
  6. Step 6: Final answer
    x = 151,337.05

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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.