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Finding the Fourth Proportional to 499,409.58, 749,188.95 and 183,842.49

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Solution

The fourth proportional to 499,409.58, 749,188.95 and 183,842.49 is: 275,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,409.58 : 749,188.95 = 183,842.49 : x
  2. Step 2: Convert to fraction form
    499,409.58/749,188.95 = 183,842.49/x
  3. Step 3: Cross multiply
    499,409.58x = 749,188.95 × 183,842.49
  4. Step 4: Simplify right side
    499,409.58x = 137,732,762,048.49
  5. Step 5: Solve for x
    x = 137,732,762,048.49/499,409.58
  6. Step 6: Final answer
    x = 275,791.19

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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.