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Finding the Fourth Proportional to 423,597.39, 584,625.57 and 253,847.31

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Solution

The fourth proportional to 423,597.39, 584,625.57 and 253,847.31 is: 350,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,597.39 : 584,625.57 = 253,847.31 : x
  2. Step 2: Convert to fraction form
    423,597.39/584,625.57 = 253,847.31/x
  3. Step 3: Cross multiply
    423,597.39x = 584,625.57 × 253,847.31
  4. Step 4: Simplify right side
    423,597.39x = 148,405,624,109.35
  5. Step 5: Solve for x
    x = 148,405,624,109.35/423,597.39
  6. Step 6: Final answer
    x = 350,345.94

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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.