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Finding the Fourth Proportional to 706,046.30, 974,344.11 and 383,756.48

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Solution

The fourth proportional to 706,046.30, 974,344.11 and 383,756.48 is: 529,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,046.30 : 974,344.11 = 383,756.48 : x
  2. Step 2: Convert to fraction form
    706,046.30/974,344.11 = 383,756.48/x
  3. Step 3: Cross multiply
    706,046.30x = 974,344.11 × 383,756.48
  4. Step 4: Simplify right side
    706,046.30x = 373,910,865,962.33
  5. Step 5: Solve for x
    x = 373,910,865,962.33/706,046.30
  6. Step 6: Final answer
    x = 529,584.06

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1.5x scale

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.