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Finding the Fourth Proportional to 441,866.55, 609,845.09 and 260,598.41

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Solution

The fourth proportional to 441,866.55, 609,845.09 and 260,598.41 is: 359,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,866.55 : 609,845.09 = 260,598.41 : x
  2. Step 2: Convert to fraction form
    441,866.55/609,845.09 = 260,598.41/x
  3. Step 3: Cross multiply
    441,866.55x = 609,845.09 × 260,598.41
  4. Step 4: Simplify right side
    441,866.55x = 158,924,656,448.09
  5. Step 5: Solve for x
    x = 158,924,656,448.09/441,866.55
  6. Step 6: Final answer
    x = 359,666.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.