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Finding the Fourth Proportional to 565,367.60, 848,051.40 and 405,935.30

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Solution

The fourth proportional to 565,367.60, 848,051.40 and 405,935.30 is: 608,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,367.60 : 848,051.40 = 405,935.30 : x
  2. Step 2: Convert to fraction form
    565,367.60/848,051.40 = 405,935.30/x
  3. Step 3: Cross multiply
    565,367.60x = 848,051.40 × 405,935.30
  4. Step 4: Simplify right side
    565,367.60x = 344,253,999,474.42
  5. Step 5: Solve for x
    x = 344,253,999,474.42/565,367.60
  6. Step 6: Final answer
    x = 608,902.95

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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.