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Finding the Fourth Proportional to 341,057.18, 470,692.18 and 254,866.50

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Solution

The fourth proportional to 341,057.18, 470,692.18 and 254,866.50 is: 351,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,057.18 : 470,692.18 = 254,866.50 : x
  2. Step 2: Convert to fraction form
    341,057.18/470,692.18 = 254,866.50/x
  3. Step 3: Cross multiply
    341,057.18x = 470,692.18 × 254,866.50
  4. Step 4: Simplify right side
    341,057.18x = 119,963,667,856.80
  5. Step 5: Solve for x
    x = 119,963,667,856.80/341,057.18
  6. Step 6: Final answer
    x = 351,740.63

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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.