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Finding the Fourth Proportional to 461,336.80, 692,114.55 and 236,731.90

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Solution

The fourth proportional to 461,336.80, 692,114.55 and 236,731.90 is: 355,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,336.80 : 692,114.55 = 236,731.90 : x
  2. Step 2: Convert to fraction form
    461,336.80/692,114.55 = 236,731.90/x
  3. Step 3: Cross multiply
    461,336.80x = 692,114.55 × 236,731.90
  4. Step 4: Simplify right side
    461,336.80x = 163,845,592,439.15
  5. Step 5: Solve for x
    x = 163,845,592,439.15/461,336.80
  6. Step 6: Final answer
    x = 355,153.96

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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.