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Finding the Fourth Proportional to 618,352, 927,187.20 and 191,769.76

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Solution

The fourth proportional to 618,352, 927,187.20 and 191,769.76 is: 287,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,352 : 927,187.20 = 191,769.76 : x
  2. Step 2: Convert to fraction form
    618,352/927,187.20 = 191,769.76/x
  3. Step 3: Cross multiply
    618,352x = 927,187.20 × 191,769.76
  4. Step 4: Simplify right side
    618,352x = 177,806,466,819.07
  5. Step 5: Solve for x
    x = 177,806,466,819.07/618,352
  6. Step 6: Final answer
    x = 287,548.95

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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.