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Finding the Fourth Proportional to 461,344.30, 692,125.80 and 236,739.40

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Solution

The fourth proportional to 461,344.30, 692,125.80 and 236,739.40 is: 355,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,344.30 : 692,125.80 = 236,739.40 : x
  2. Step 2: Convert to fraction form
    461,344.30/692,125.80 = 236,739.40/x
  3. Step 3: Cross multiply
    461,344.30x = 692,125.80 × 236,739.40
  4. Step 4: Simplify right side
    461,344.30x = 163,853,446,616.52
  5. Step 5: Solve for x
    x = 163,853,446,616.52/461,344.30
  6. Step 6: Final answer
    x = 355,165.21

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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.