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Finding the Fourth Proportional to 577,987.59, 797,783.31 and 336,317

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Solution

The fourth proportional to 577,987.59, 797,783.31 and 336,317 is: 464,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,987.59 : 797,783.31 = 336,317 : x
  2. Step 2: Convert to fraction form
    577,987.59/797,783.31 = 336,317/x
  3. Step 3: Cross multiply
    577,987.59x = 797,783.31 × 336,317
  4. Step 4: Simplify right side
    577,987.59x = 268,308,089,469.27
  5. Step 5: Solve for x
    x = 268,308,089,469.27/577,987.59
  6. Step 6: Final answer
    x = 464,210.81

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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.