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Finding the Fourth Proportional to 499,518.70, 749,388.78 and 233,133.94

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Solution

The fourth proportional to 499,518.70, 749,388.78 and 233,133.94 is: 349,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,518.70 : 749,388.78 = 233,133.94 : x
  2. Step 2: Convert to fraction form
    499,518.70/749,388.78 = 233,133.94/x
  3. Step 3: Cross multiply
    499,518.70x = 749,388.78 × 233,133.94
  4. Step 4: Simplify right side
    499,518.70x = 174,707,958,873.19
  5. Step 5: Solve for x
    x = 174,707,958,873.19/499,518.70
  6. Step 6: Final answer
    x = 349,752.59

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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.