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Finding the Fourth Proportional to 577,651.60, 797,097.89 and 319,487.52

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Solution

The fourth proportional to 577,651.60, 797,097.89 and 319,487.52 is: 440,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,651.60 : 797,097.89 = 319,487.52 : x
  2. Step 2: Convert to fraction form
    577,651.60/797,097.89 = 319,487.52/x
  3. Step 3: Cross multiply
    577,651.60x = 797,097.89 × 319,487.52
  4. Step 4: Simplify right side
    577,651.60x = 254,662,824,237.10
  5. Step 5: Solve for x
    x = 254,662,824,237.10/577,651.60
  6. Step 6: Final answer
    x = 440,858.86

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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.