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Finding the Fourth Proportional to 519,010.56, 716,234.67 and 292,656.06

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Solution

The fourth proportional to 519,010.56, 716,234.67 and 292,656.06 is: 403,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,010.56 : 716,234.67 = 292,656.06 : x
  2. Step 2: Convert to fraction form
    519,010.56/716,234.67 = 292,656.06/x
  3. Step 3: Cross multiply
    519,010.56x = 716,234.67 × 292,656.06
  4. Step 4: Simplify right side
    519,010.56x = 209,610,416,557.60
  5. Step 5: Solve for x
    x = 209,610,416,557.60/519,010.56
  6. Step 6: Final answer
    x = 403,865.42

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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.