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Finding the Fourth Proportional to 528,997.76, 793,393.30 and 169,072.06

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Solution

The fourth proportional to 528,997.76, 793,393.30 and 169,072.06 is: 253,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,997.76 : 793,393.30 = 169,072.06 : x
  2. Step 2: Convert to fraction form
    528,997.76/793,393.30 = 169,072.06/x
  3. Step 3: Cross multiply
    528,997.76x = 793,393.30 × 169,072.06
  4. Step 4: Simplify right side
    528,997.76x = 134,140,639,621.20
  5. Step 5: Solve for x
    x = 134,140,639,621.20/528,997.76
  6. Step 6: Final answer
    x = 253,575.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.