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Finding the Fourth Proportional to 519,188.36, 716,480.52 and 292,833.88

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Solution

The fourth proportional to 519,188.36, 716,480.52 and 292,833.88 is: 404,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,188.36 : 716,480.52 = 292,833.88 : x
  2. Step 2: Convert to fraction form
    519,188.36/716,480.52 = 292,833.88/x
  3. Step 3: Cross multiply
    519,188.36x = 716,480.52 × 292,833.88
  4. Step 4: Simplify right side
    519,188.36x = 209,809,770,616.02
  5. Step 5: Solve for x
    x = 209,809,770,616.02/519,188.36
  6. Step 6: Final answer
    x = 404,111.08

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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.