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Finding the Fourth Proportional to 493,784.96, 740,712 and 244,400

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Solution

The fourth proportional to 493,784.96, 740,712 and 244,400 is: 366,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,784.96 : 740,712 = 244,400 : x
  2. Step 2: Convert to fraction form
    493,784.96/740,712 = 244,400/x
  3. Step 3: Cross multiply
    493,784.96x = 740,712 × 244,400
  4. Step 4: Simplify right side
    493,784.96x = 181,030,012,800
  5. Step 5: Solve for x
    x = 181,030,012,800/493,784.96
  6. Step 6: Final answer
    x = 366,617.11

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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.