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Finding the Fourth Proportional to 552,650.50, 762,657.69 and 314,186.50

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Solution

The fourth proportional to 552,650.50, 762,657.69 and 314,186.50 is: 433,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,650.50 : 762,657.69 = 314,186.50 : x
  2. Step 2: Convert to fraction form
    552,650.50/762,657.69 = 314,186.50/x
  3. Step 3: Cross multiply
    552,650.50x = 762,657.69 × 314,186.50
  4. Step 4: Simplify right side
    552,650.50x = 239,616,750,319.19
  5. Step 5: Solve for x
    x = 239,616,750,319.19/552,650.50
  6. Step 6: Final answer
    x = 433,577.37

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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.