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Finding the Fourth Proportional to 580,918.91, 801,754.74 and 418,113.77

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Solution

The fourth proportional to 580,918.91, 801,754.74 and 418,113.77 is: 577,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,918.91 : 801,754.74 = 418,113.77 : x
  2. Step 2: Convert to fraction form
    580,918.91/801,754.74 = 418,113.77/x
  3. Step 3: Cross multiply
    580,918.91x = 801,754.74 × 418,113.77
  4. Step 4: Simplify right side
    580,918.91x = 335,224,698,961.16
  5. Step 5: Solve for x
    x = 335,224,698,961.16/580,918.91
  6. Step 6: Final answer
    x = 577,059.37

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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.