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Finding the Fourth Proportional to 577,592.44, 797,008.28 and 319,434.37

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Solution

The fourth proportional to 577,592.44, 797,008.28 and 319,434.37 is: 440,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,592.44 : 797,008.28 = 319,434.37 : x
  2. Step 2: Convert to fraction form
    577,592.44/797,008.28 = 319,434.37/x
  3. Step 3: Cross multiply
    577,592.44x = 797,008.28 × 319,434.37
  4. Step 4: Simplify right side
    577,592.44x = 254,591,834,216.89
  5. Step 5: Solve for x
    x = 254,591,834,216.89/577,592.44
  6. Step 6: Final answer
    x = 440,781.11

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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.