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Finding the Fourth Proportional to 706,251.87, 974,646.81 and 383,983.65

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Solution

The fourth proportional to 706,251.87, 974,646.81 and 383,983.65 is: 529,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,251.87 : 974,646.81 = 383,983.65 : x
  2. Step 2: Convert to fraction form
    706,251.87/974,646.81 = 383,983.65/x
  3. Step 3: Cross multiply
    706,251.87x = 974,646.81 × 383,983.65
  4. Step 4: Simplify right side
    706,251.87x = 374,248,439,564.66
  5. Step 5: Solve for x
    x = 374,248,439,564.66/706,251.87
  6. Step 6: Final answer
    x = 529,907.89

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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.