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Finding the Fourth Proportional to 364,803.24, 547,289.16 and 115,485.24

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Solution

The fourth proportional to 364,803.24, 547,289.16 and 115,485.24 is: 173,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,803.24 : 547,289.16 = 115,485.24 : x
  2. Step 2: Convert to fraction form
    364,803.24/547,289.16 = 115,485.24/x
  3. Step 3: Cross multiply
    364,803.24x = 547,289.16 × 115,485.24
  4. Step 4: Simplify right side
    364,803.24x = 63,203,819,992.00
  5. Step 5: Solve for x
    x = 63,203,819,992.00/364,803.24
  6. Step 6: Final answer
    x = 173,254.55

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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.