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Finding the Fourth Proportional to 551,133.60, 826,311.60 and 251,757.60

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Solution

The fourth proportional to 551,133.60, 826,311.60 and 251,757.60 is: 377,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,133.60 : 826,311.60 = 251,757.60 : x
  2. Step 2: Convert to fraction form
    551,133.60/826,311.60 = 251,757.60/x
  3. Step 3: Cross multiply
    551,133.60x = 826,311.60 × 251,757.60
  4. Step 4: Simplify right side
    551,133.60x = 208,030,225,268.16
  5. Step 5: Solve for x
    x = 208,030,225,268.16/551,133.60
  6. Step 6: Final answer
    x = 377,458.80

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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.