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Finding the Fourth Proportional to 578,471.76, 867,748.14 and 179,059.95

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Solution

The fourth proportional to 578,471.76, 867,748.14 and 179,059.95 is: 268,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,471.76 : 867,748.14 = 179,059.95 : x
  2. Step 2: Convert to fraction form
    578,471.76/867,748.14 = 179,059.95/x
  3. Step 3: Cross multiply
    578,471.76x = 867,748.14 × 179,059.95
  4. Step 4: Simplify right side
    578,471.76x = 155,378,938,560.99
  5. Step 5: Solve for x
    x = 155,378,938,560.99/578,471.76
  6. Step 6: Final answer
    x = 268,602.46

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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.