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Finding the Fourth Proportional to 705,634.33, 973,776.53 and 383,344.69

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Solution

The fourth proportional to 705,634.33, 973,776.53 and 383,344.69 is: 529,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,634.33 : 973,776.53 = 383,344.69 : x
  2. Step 2: Convert to fraction form
    705,634.33/973,776.53 = 383,344.69/x
  3. Step 3: Cross multiply
    705,634.33x = 973,776.53 × 383,344.69
  4. Step 4: Simplify right side
    705,634.33x = 373,292,062,022.13
  5. Step 5: Solve for x
    x = 373,292,062,022.13/705,634.33
  6. Step 6: Final answer
    x = 529,016.30

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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.