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Finding the Fourth Proportional to 461,567.80, 692,351.70 and 368,255.80

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Solution

The fourth proportional to 461,567.80, 692,351.70 and 368,255.80 is: 552,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,567.80 : 692,351.70 = 368,255.80 : x
  2. Step 2: Convert to fraction form
    461,567.80/692,351.70 = 368,255.80/x
  3. Step 3: Cross multiply
    461,567.80x = 692,351.70 × 368,255.80
  4. Step 4: Simplify right side
    461,567.80x = 254,962,529,164.86
  5. Step 5: Solve for x
    x = 254,962,529,164.86/461,567.80
  6. Step 6: Final answer
    x = 552,383.70

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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.