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Finding the Fourth Proportional to 519,016.06, 716,242.26 and 292,661.56

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Solution

The fourth proportional to 519,016.06, 716,242.26 and 292,661.56 is: 403,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,016.06 : 716,242.26 = 292,661.56 : x
  2. Step 2: Convert to fraction form
    519,016.06/716,242.26 = 292,661.56/x
  3. Step 3: Cross multiply
    519,016.06x = 716,242.26 × 292,661.56
  4. Step 4: Simplify right side
    519,016.06x = 209,616,577,149.53
  5. Step 5: Solve for x
    x = 209,616,577,149.53/519,016.06
  6. Step 6: Final answer
    x = 403,873.01

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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.