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Finding the Fourth Proportional to 499,663.20, 749,235.60 and 183,957.60

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Solution

The fourth proportional to 499,663.20, 749,235.60 and 183,957.60 is: 275,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,663.20 : 749,235.60 = 183,957.60 : x
  2. Step 2: Convert to fraction form
    499,663.20/749,235.60 = 183,957.60/x
  3. Step 3: Cross multiply
    499,663.20x = 749,235.60 × 183,957.60
  4. Step 4: Simplify right side
    499,663.20x = 137,827,582,810.56
  5. Step 5: Solve for x
    x = 137,827,582,810.56/499,663.20
  6. Step 6: Final answer
    x = 275,840.97

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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.