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Finding the Fourth Proportional to 577,777.43, 797,296.68 and 319,648.25

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Solution

The fourth proportional to 577,777.43, 797,296.68 and 319,648.25 is: 441,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,777.43 : 797,296.68 = 319,648.25 : x
  2. Step 2: Convert to fraction form
    577,777.43/797,296.68 = 319,648.25/x
  3. Step 3: Cross multiply
    577,777.43x = 797,296.68 × 319,648.25
  4. Step 4: Simplify right side
    577,777.43x = 254,854,484,506.33
  5. Step 5: Solve for x
    x = 254,854,484,506.33/577,777.43
  6. Step 6: Final answer
    x = 441,094.57

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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.