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Finding the Fourth Proportional to 615,893.46, 843,759.94 and 592,866.75

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Solution

The fourth proportional to 615,893.46, 843,759.94 and 592,866.75 is: 812,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,893.46 : 843,759.94 = 592,866.75 : x
  2. Step 2: Convert to fraction form
    615,893.46/843,759.94 = 592,866.75/x
  3. Step 3: Cross multiply
    615,893.46x = 843,759.94 × 592,866.75
  4. Step 4: Simplify right side
    615,893.46x = 500,237,213,408.00
  5. Step 5: Solve for x
    x = 500,237,213,408.00/615,893.46
  6. Step 6: Final answer
    x = 812,213.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.