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Finding the Fourth Proportional to 657,753.54, 907,677.24 and 367,380.42

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Solution

The fourth proportional to 657,753.54, 907,677.24 and 367,380.42 is: 506,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,753.54 : 907,677.24 = 367,380.42 : x
  2. Step 2: Convert to fraction form
    657,753.54/907,677.24 = 367,380.42/x
  3. Step 3: Cross multiply
    657,753.54x = 907,677.24 × 367,380.42
  4. Step 4: Simplify right side
    657,753.54x = 333,462,845,655.64
  5. Step 5: Solve for x
    x = 333,462,845,655.64/657,753.54
  6. Step 6: Final answer
    x = 506,972.33

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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.