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Finding the Fourth Proportional to 443,692.08, 612,281.40 and 252,732.72

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Solution

The fourth proportional to 443,692.08, 612,281.40 and 252,732.72 is: 348,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,692.08 : 612,281.40 = 252,732.72 : x
  2. Step 2: Convert to fraction form
    443,692.08/612,281.40 = 252,732.72/x
  3. Step 3: Cross multiply
    443,692.08x = 612,281.40 × 252,732.72
  4. Step 4: Simplify right side
    443,692.08x = 154,743,543,627.41
  5. Step 5: Solve for x
    x = 154,743,543,627.41/443,692.08
  6. Step 6: Final answer
    x = 348,763.37

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1.5x scale

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.