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Finding the Fourth Proportional to 694,950.54, 958,537.36 and 637,774.50

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Solution

The fourth proportional to 694,950.54, 958,537.36 and 637,774.50 is: 879,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,950.54 : 958,537.36 = 637,774.50 : x
  2. Step 2: Convert to fraction form
    694,950.54/958,537.36 = 637,774.50/x
  3. Step 3: Cross multiply
    694,950.54x = 958,537.36 × 637,774.50
  4. Step 4: Simplify right side
    694,950.54x = 611,330,685,505.32
  5. Step 5: Solve for x
    x = 611,330,685,505.32/694,950.54
  6. Step 6: Final answer
    x = 879,675.10

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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.