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Finding the Fourth Proportional to 303,959.34, 419,515.98 and 176,708.75

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Solution

The fourth proportional to 303,959.34, 419,515.98 and 176,708.75 is: 243,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,959.34 : 419,515.98 = 176,708.75 : x
  2. Step 2: Convert to fraction form
    303,959.34/419,515.98 = 176,708.75/x
  3. Step 3: Cross multiply
    303,959.34x = 419,515.98 × 176,708.75
  4. Step 4: Simplify right side
    303,959.34x = 74,132,141,670.59
  5. Step 5: Solve for x
    x = 74,132,141,670.59/303,959.34
  6. Step 6: Final answer
    x = 243,888.35

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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.