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Finding the Fourth Proportional to 644,501.88, 966,777.12 and 245,068.20

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Solution

The fourth proportional to 644,501.88, 966,777.12 and 245,068.20 is: 367,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,501.88 : 966,777.12 = 245,068.20 : x
  2. Step 2: Convert to fraction form
    644,501.88/966,777.12 = 245,068.20/x
  3. Step 3: Cross multiply
    644,501.88x = 966,777.12 × 245,068.20
  4. Step 4: Simplify right side
    644,501.88x = 236,926,328,599.58
  5. Step 5: Solve for x
    x = 236,926,328,599.58/644,501.88
  6. Step 6: Final answer
    x = 367,611.54

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Double scale
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Similar ratio
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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.