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Finding the Fourth Proportional to 461,805.60, 692,902.80 and 251,594.40

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Solution

The fourth proportional to 461,805.60, 692,902.80 and 251,594.40 is: 377,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,805.60 : 692,902.80 = 251,594.40 : x
  2. Step 2: Convert to fraction form
    461,805.60/692,902.80 = 251,594.40/x
  3. Step 3: Cross multiply
    461,805.60x = 692,902.80 × 251,594.40
  4. Step 4: Simplify right side
    461,805.60x = 174,330,464,224.32
  5. Step 5: Solve for x
    x = 174,330,464,224.32/461,805.60
  6. Step 6: Final answer
    x = 377,497.51

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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.