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Finding the Fourth Proportional to 329,444.01, 454,855.91 and 208,692.45

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Solution

The fourth proportional to 329,444.01, 454,855.91 and 208,692.45 is: 288,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,444.01 : 454,855.91 = 208,692.45 : x
  2. Step 2: Convert to fraction form
    329,444.01/454,855.91 = 208,692.45/x
  3. Step 3: Cross multiply
    329,444.01x = 454,855.91 × 208,692.45
  4. Step 4: Simplify right side
    329,444.01x = 94,924,993,211.42
  5. Step 5: Solve for x
    x = 94,924,993,211.42/329,444.01
  6. Step 6: Final answer
    x = 288,136.95

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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.