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Finding the Fourth Proportional to 653,557.40, 901,891.21 and 363,161.46

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Solution

The fourth proportional to 653,557.40, 901,891.21 and 363,161.46 is: 501,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,557.40 : 901,891.21 = 363,161.46 : x
  2. Step 2: Convert to fraction form
    653,557.40/901,891.21 = 363,161.46/x
  3. Step 3: Cross multiply
    653,557.40x = 901,891.21 × 363,161.46
  4. Step 4: Simplify right side
    653,557.40x = 327,532,127,676.86
  5. Step 5: Solve for x
    x = 327,532,127,676.86/653,557.40
  6. Step 6: Final answer
    x = 501,152.81

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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.