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Finding the Fourth Proportional to 586,420.72, 879,893.52 and 337,102.72

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Solution

The fourth proportional to 586,420.72, 879,893.52 and 337,102.72 is: 505,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,420.72 : 879,893.52 = 337,102.72 : x
  2. Step 2: Convert to fraction form
    586,420.72/879,893.52 = 337,102.72/x
  3. Step 3: Cross multiply
    586,420.72x = 879,893.52 × 337,102.72
  4. Step 4: Simplify right side
    586,420.72x = 296,614,498,902.37
  5. Step 5: Solve for x
    x = 296,614,498,902.37/586,420.72
  6. Step 6: Final answer
    x = 505,804.94

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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.