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Finding the Fourth Proportional to 653,852.88, 902,317.74 and 367,372.80

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Solution

The fourth proportional to 653,852.88, 902,317.74 and 367,372.80 is: 506,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,852.88 : 902,317.74 = 367,372.80 : x
  2. Step 2: Convert to fraction form
    653,852.88/902,317.74 = 367,372.80/x
  3. Step 3: Cross multiply
    653,852.88x = 902,317.74 × 367,372.80
  4. Step 4: Simplify right side
    653,852.88x = 331,486,994,633.47
  5. Step 5: Solve for x
    x = 331,486,994,633.47/653,852.88
  6. Step 6: Final answer
    x = 506,974.89

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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.