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Finding the Fourth Proportional to 552,782.08, 829,173.12 and 305,038.72

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Solution

The fourth proportional to 552,782.08, 829,173.12 and 305,038.72 is: 457,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,782.08 : 829,173.12 = 305,038.72 : x
  2. Step 2: Convert to fraction form
    552,782.08/829,173.12 = 305,038.72/x
  3. Step 3: Cross multiply
    552,782.08x = 829,173.12 × 305,038.72
  4. Step 4: Simplify right side
    552,782.08x = 252,929,907,183.21
  5. Step 5: Solve for x
    x = 252,929,907,183.21/552,782.08
  6. Step 6: Final answer
    x = 457,558.08

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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.