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Finding the Fourth Proportional to 503,779.02, 694,032.54 and 350,553.72

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Solution

The fourth proportional to 503,779.02, 694,032.54 and 350,553.72 is: 482,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,779.02 : 694,032.54 = 350,553.72 : x
  2. Step 2: Convert to fraction form
    503,779.02/694,032.54 = 350,553.72/x
  3. Step 3: Cross multiply
    503,779.02x = 694,032.54 × 350,553.72
  4. Step 4: Simplify right side
    503,779.02x = 243,295,688,698.05
  5. Step 5: Solve for x
    x = 243,295,688,698.05/503,779.02
  6. Step 6: Final answer
    x = 482,941.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.