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Finding the Fourth Proportional to 706,244.88, 974,637.16 and 383,976.66

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Solution

The fourth proportional to 706,244.88, 974,637.16 and 383,976.66 is: 529,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,244.88 : 974,637.16 = 383,976.66 : x
  2. Step 2: Convert to fraction form
    706,244.88/974,637.16 = 383,976.66/x
  3. Step 3: Cross multiply
    706,244.88x = 974,637.16 × 383,976.66
  4. Step 4: Simplify right side
    706,244.88x = 374,237,921,408.69
  5. Step 5: Solve for x
    x = 374,237,921,408.69/706,244.88
  6. Step 6: Final answer
    x = 529,898.24

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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.