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Finding the Fourth Proportional to 361,448.73, 541,674.54 and 260,807.04

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Solution

The fourth proportional to 361,448.73, 541,674.54 and 260,807.04 is: 390,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,448.73 : 541,674.54 = 260,807.04 : x
  2. Step 2: Convert to fraction form
    361,448.73/541,674.54 = 260,807.04/x
  3. Step 3: Cross multiply
    361,448.73x = 541,674.54 × 260,807.04
  4. Step 4: Simplify right side
    361,448.73x = 141,272,533,420.76
  5. Step 5: Solve for x
    x = 141,272,533,420.76/361,448.73
  6. Step 6: Final answer
    x = 390,850.82

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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.