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Finding the Fourth Proportional to 629,530.02, 868,751.46 and 343,050.03

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Solution

The fourth proportional to 629,530.02, 868,751.46 and 343,050.03 is: 473,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,530.02 : 868,751.46 = 343,050.03 : x
  2. Step 2: Convert to fraction form
    629,530.02/868,751.46 = 343,050.03/x
  3. Step 3: Cross multiply
    629,530.02x = 868,751.46 × 343,050.03
  4. Step 4: Simplify right side
    629,530.02x = 298,025,214,415.54
  5. Step 5: Solve for x
    x = 298,025,214,415.54/629,530.02
  6. Step 6: Final answer
    x = 473,409.06

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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.