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Finding the Fourth Proportional to 493,590.40, 739,953.60 and 335,305.60

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Solution

The fourth proportional to 493,590.40, 739,953.60 and 335,305.60 is: 502,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,590.40 : 739,953.60 = 335,305.60 : x
  2. Step 2: Convert to fraction form
    493,590.40/739,953.60 = 335,305.60/x
  3. Step 3: Cross multiply
    493,590.40x = 739,953.60 × 335,305.60
  4. Step 4: Simplify right side
    493,590.40x = 248,110,585,820.16
  5. Step 5: Solve for x
    x = 248,110,585,820.16/493,590.40
  6. Step 6: Final answer
    x = 502,664.93

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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.