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Finding the Fourth Proportional to 676,564.11, 933,658.52 and 370,651.41

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Solution

The fourth proportional to 676,564.11, 933,658.52 and 370,651.41 is: 511,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,564.11 : 933,658.52 = 370,651.41 : x
  2. Step 2: Convert to fraction form
    676,564.11/933,658.52 = 370,651.41/x
  3. Step 3: Cross multiply
    676,564.11x = 933,658.52 × 370,651.41
  4. Step 4: Simplify right side
    676,564.11x = 346,061,845,043.26
  5. Step 5: Solve for x
    x = 346,061,845,043.26/676,564.11
  6. Step 6: Final answer
    x = 511,498.97

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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.