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Finding the Fourth Proportional to 493,675.40, 740,081.10 and 335,390.60

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Solution

The fourth proportional to 493,675.40, 740,081.10 and 335,390.60 is: 502,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,675.40 : 740,081.10 = 335,390.60 : x
  2. Step 2: Convert to fraction form
    493,675.40/740,081.10 = 335,390.60/x
  3. Step 3: Cross multiply
    493,675.40x = 740,081.10 × 335,390.60
  4. Step 4: Simplify right side
    493,675.40x = 248,216,244,177.66
  5. Step 5: Solve for x
    x = 248,216,244,177.66/493,675.40
  6. Step 6: Final answer
    x = 502,792.41

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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.