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Finding the Fourth Proportional to 326,010.60, 487,979.10 and 232,698.60

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Solution

The fourth proportional to 326,010.60, 487,979.10 and 232,698.60 is: 348,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,010.60 : 487,979.10 = 232,698.60 : x
  2. Step 2: Convert to fraction form
    326,010.60/487,979.10 = 232,698.60/x
  3. Step 3: Cross multiply
    326,010.60x = 487,979.10 × 232,698.60
  4. Step 4: Simplify right side
    326,010.60x = 113,552,053,399.26
  5. Step 5: Solve for x
    x = 113,552,053,399.26/326,010.60
  6. Step 6: Final answer
    x = 348,307.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.