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Finding the Fourth Proportional to 443,692.14, 612,295.14 and 242,488.14

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Solution

The fourth proportional to 443,692.14, 612,295.14 and 242,488.14 is: 334,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,692.14 : 612,295.14 = 242,488.14 : x
  2. Step 2: Convert to fraction form
    443,692.14/612,295.14 = 242,488.14/x
  3. Step 3: Cross multiply
    443,692.14x = 612,295.14 × 242,488.14
  4. Step 4: Simplify right side
    443,692.14x = 148,474,309,629.64
  5. Step 5: Solve for x
    x = 148,474,309,629.64/443,692.14
  6. Step 6: Final answer
    x = 334,633.63

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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.