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Finding the Fourth Proportional to 475,755.81, 656,552.03 and 260,883.06

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Solution

The fourth proportional to 475,755.81, 656,552.03 and 260,883.06 is: 360,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,755.81 : 656,552.03 = 260,883.06 : x
  2. Step 2: Convert to fraction form
    475,755.81/656,552.03 = 260,883.06/x
  3. Step 3: Cross multiply
    475,755.81x = 656,552.03 × 260,883.06
  4. Step 4: Simplify right side
    475,755.81x = 171,283,301,331.20
  5. Step 5: Solve for x
    x = 171,283,301,331.20/475,755.81
  6. Step 6: Final answer
    x = 360,023.56

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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.