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Finding the Fourth Proportional to 519,183.36, 716,473.62 and 292,828.86

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Solution

The fourth proportional to 519,183.36, 716,473.62 and 292,828.86 is: 404,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,183.36 : 716,473.62 = 292,828.86 : x
  2. Step 2: Convert to fraction form
    519,183.36/716,473.62 = 292,828.86/x
  3. Step 3: Cross multiply
    519,183.36x = 716,473.62 × 292,828.86
  4. Step 4: Simplify right side
    519,183.36x = 209,804,153,364.67
  5. Step 5: Solve for x
    x = 209,804,153,364.67/519,183.36
  6. Step 6: Final answer
    x = 404,104.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.