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Finding the Fourth Proportional to 706,265.51, 974,657.03 and 383,974.88

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Solution

The fourth proportional to 706,265.51, 974,657.03 and 383,974.88 is: 529,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,265.51 : 974,657.03 = 383,974.88 : x
  2. Step 2: Convert to fraction form
    706,265.51/974,657.03 = 383,974.88/x
  3. Step 3: Cross multiply
    706,265.51x = 974,657.03 × 383,974.88
  4. Step 4: Simplify right side
    706,265.51x = 374,243,809,342.25
  5. Step 5: Solve for x
    x = 374,243,809,342.25/706,265.51
  6. Step 6: Final answer
    x = 529,891.11

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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.