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Finding the Fourth Proportional to 371,013.68, 511,756.76 and 234,905.76

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Solution

The fourth proportional to 371,013.68, 511,756.76 and 234,905.76 is: 324,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,013.68 : 511,756.76 = 234,905.76 : x
  2. Step 2: Convert to fraction form
    371,013.68/511,756.76 = 234,905.76/x
  3. Step 3: Cross multiply
    371,013.68x = 511,756.76 × 234,905.76
  4. Step 4: Simplify right side
    371,013.68x = 120,214,610,642.94
  5. Step 5: Solve for x
    x = 120,214,610,642.94/371,013.68
  6. Step 6: Final answer
    x = 324,016.65

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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.