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Finding the Fourth Proportional to 673,877.80, 1,008,051.90 and 607,522.60

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Solution

The fourth proportional to 673,877.80, 1,008,051.90 and 607,522.60 is: 908,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,877.80 : 1,008,051.90 = 607,522.60 : x
  2. Step 2: Convert to fraction form
    673,877.80/1,008,051.90 = 607,522.60/x
  3. Step 3: Cross multiply
    673,877.80x = 1,008,051.90 × 607,522.60
  4. Step 4: Simplify right side
    673,877.80x = 612,414,311,222.94
  5. Step 5: Solve for x
    x = 612,414,311,222.94/673,877.80
  6. Step 6: Final answer
    x = 908,791.34

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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.