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Finding the Fourth Proportional to 699,008, 1,048,245.56 and 249,644.96

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Solution

The fourth proportional to 699,008, 1,048,245.56 and 249,644.96 is: 374,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,008 : 1,048,245.56 = 249,644.96 : x
  2. Step 2: Convert to fraction form
    699,008/1,048,245.56 = 249,644.96/x
  3. Step 3: Cross multiply
    699,008x = 1,048,245.56 × 249,644.96
  4. Step 4: Simplify right side
    699,008x = 261,689,220,896.38
  5. Step 5: Solve for x
    x = 261,689,220,896.38/699,008
  6. Step 6: Final answer
    x = 374,372.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.