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Finding the Fourth Proportional to 315,857.41, 435,883.27 and 179,904.01

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Solution

The fourth proportional to 315,857.41, 435,883.27 and 179,904.01 is: 248,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,857.41 : 435,883.27 = 179,904.01 : x
  2. Step 2: Convert to fraction form
    315,857.41/435,883.27 = 179,904.01/x
  3. Step 3: Cross multiply
    315,857.41x = 435,883.27 × 179,904.01
  4. Step 4: Simplify right side
    315,857.41x = 78,417,148,164.91
  5. Step 5: Solve for x
    x = 78,417,148,164.91/315,857.41
  6. Step 6: Final answer
    x = 248,267.56

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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.