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Finding the Fourth Proportional to 476,074.58, 713,638.80 and 238,692.74

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Solution

The fourth proportional to 476,074.58, 713,638.80 and 238,692.74 is: 357,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,074.58 : 713,638.80 = 238,692.74 : x
  2. Step 2: Convert to fraction form
    476,074.58/713,638.80 = 238,692.74/x
  3. Step 3: Cross multiply
    476,074.58x = 713,638.80 × 238,692.74
  4. Step 4: Simplify right side
    476,074.58x = 170,340,396,974.12
  5. Step 5: Solve for x
    x = 170,340,396,974.12/476,074.58
  6. Step 6: Final answer
    x = 357,801.92

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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.