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Finding the Fourth Proportional to 519,016.56, 716,242.95 and 292,662.06

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Solution

The fourth proportional to 519,016.56, 716,242.95 and 292,662.06 is: 403,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,016.56 : 716,242.95 = 292,662.06 : x
  2. Step 2: Convert to fraction form
    519,016.56/716,242.95 = 292,662.06/x
  3. Step 3: Cross multiply
    519,016.56x = 716,242.95 × 292,662.06
  4. Step 4: Simplify right side
    519,016.56x = 209,617,137,207.48
  5. Step 5: Solve for x
    x = 209,617,137,207.48/519,016.56
  6. Step 6: Final answer
    x = 403,873.70

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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.