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Finding the Fourth Proportional to 526,011.66, 789,575.49 and 427,362.93

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Solution

The fourth proportional to 526,011.66, 789,575.49 and 427,362.93 is: 641,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,011.66 : 789,575.49 = 427,362.93 : x
  2. Step 2: Convert to fraction form
    526,011.66/789,575.49 = 427,362.93/x
  3. Step 3: Cross multiply
    526,011.66x = 789,575.49 × 427,362.93
  4. Step 4: Simplify right side
    526,011.66x = 337,435,294,862.59
  5. Step 5: Solve for x
    x = 337,435,294,862.59/526,011.66
  6. Step 6: Final answer
    x = 641,497.75

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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.