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Finding the Fourth Proportional to 706,267.57, 974,644.44 and 383,977.69

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Solution

The fourth proportional to 706,267.57, 974,644.44 and 383,977.69 is: 529,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,267.57 : 974,644.44 = 383,977.69 : x
  2. Step 2: Convert to fraction form
    706,267.57/974,644.44 = 383,977.69/x
  3. Step 3: Cross multiply
    706,267.57x = 974,644.44 × 383,977.69
  4. Step 4: Simplify right side
    706,267.57x = 374,241,720,642.54
  5. Step 5: Solve for x
    x = 374,241,720,642.54/706,267.57
  6. Step 6: Final answer
    x = 529,886.60

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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.