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Finding the Fourth Proportional to 705,299.64, 973,310.46 and 383,007.08

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Solution

The fourth proportional to 705,299.64, 973,310.46 and 383,007.08 is: 528,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,299.64 : 973,310.46 = 383,007.08 : x
  2. Step 2: Convert to fraction form
    705,299.64/973,310.46 = 383,007.08/x
  3. Step 3: Cross multiply
    705,299.64x = 973,310.46 × 383,007.08
  4. Step 4: Simplify right side
    705,299.64x = 372,784,797,218.06
  5. Step 5: Solve for x
    x = 372,784,797,218.06/705,299.64
  6. Step 6: Final answer
    x = 528,548.12

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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.