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Finding the Fourth Proportional to 499,562.16, 748,992.76 and 183,978.60

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Solution

The fourth proportional to 499,562.16, 748,992.76 and 183,978.60 is: 275,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,562.16 : 748,992.76 = 183,978.60 : x
  2. Step 2: Convert to fraction form
    499,562.16/748,992.76 = 183,978.60/x
  3. Step 3: Cross multiply
    499,562.16x = 748,992.76 × 183,978.60
  4. Step 4: Simplify right side
    499,562.16x = 137,798,639,394.94
  5. Step 5: Solve for x
    x = 137,798,639,394.94/499,562.16
  6. Step 6: Final answer
    x = 275,838.83

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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.