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Finding the Fourth Proportional to 722,164.52, 997,625.13 and 576,779.43

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Solution

The fourth proportional to 722,164.52, 997,625.13 and 576,779.43 is: 796,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,164.52 : 997,625.13 = 576,779.43 : x
  2. Step 2: Convert to fraction form
    722,164.52/997,625.13 = 576,779.43/x
  3. Step 3: Cross multiply
    722,164.52x = 997,625.13 × 576,779.43
  4. Step 4: Simplify right side
    722,164.52x = 575,409,647,405.00
  5. Step 5: Solve for x
    x = 575,409,647,405.00/722,164.52
  6. Step 6: Final answer
    x = 796,784.71

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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.