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Finding the Fourth Proportional to 632,702.30, 873,129.13 and 346,222.42

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Solution

The fourth proportional to 632,702.30, 873,129.13 and 346,222.42 is: 477,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,702.30 : 873,129.13 = 346,222.42 : x
  2. Step 2: Convert to fraction form
    632,702.30/873,129.13 = 346,222.42/x
  3. Step 3: Cross multiply
    632,702.30x = 873,129.13 × 346,222.42
  4. Step 4: Simplify right side
    632,702.30x = 302,296,880,361.10
  5. Step 5: Solve for x
    x = 302,296,880,361.10/632,702.30
  6. Step 6: Final answer
    x = 477,786.92

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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.