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Finding the Fourth Proportional to 677,563.29, 935,030.97 and 371,633.40

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Solution

The fourth proportional to 677,563.29, 935,030.97 and 371,633.40 is: 512,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,563.29 : 935,030.97 = 371,633.40 : x
  2. Step 2: Convert to fraction form
    677,563.29/935,030.97 = 371,633.40/x
  3. Step 3: Cross multiply
    677,563.29x = 935,030.97 × 371,633.40
  4. Step 4: Simplify right side
    677,563.29x = 347,488,738,486.40
  5. Step 5: Solve for x
    x = 347,488,738,486.40/677,563.29
  6. Step 6: Final answer
    x = 512,850.60

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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.