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Finding the Fourth Proportional to 488,777.10, 732,837.60 and 236,178.60

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Solution

The fourth proportional to 488,777.10, 732,837.60 and 236,178.60 is: 354,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,777.10 : 732,837.60 = 236,178.60 : x
  2. Step 2: Convert to fraction form
    488,777.10/732,837.60 = 236,178.60/x
  3. Step 3: Cross multiply
    488,777.10x = 732,837.60 × 236,178.60
  4. Step 4: Simplify right side
    488,777.10x = 173,080,558,395.36
  5. Step 5: Solve for x
    x = 173,080,558,395.36/488,777.10
  6. Step 6: Final answer
    x = 354,109.39

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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.