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Finding the Fourth Proportional to 452,692.80, 678,002.40 and 230,817.60

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Solution

The fourth proportional to 452,692.80, 678,002.40 and 230,817.60 is: 345,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,692.80 : 678,002.40 = 230,817.60 : x
  2. Step 2: Convert to fraction form
    452,692.80/678,002.40 = 230,817.60/x
  3. Step 3: Cross multiply
    452,692.80x = 678,002.40 × 230,817.60
  4. Step 4: Simplify right side
    452,692.80x = 156,494,886,762.24
  5. Step 5: Solve for x
    x = 156,494,886,762.24/452,692.80
  6. Step 6: Final answer
    x = 345,697.76

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1.5x scale

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.