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Finding the Fourth Proportional to 544,611.72, 751,506.56 and 302,855.20

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Solution

The fourth proportional to 544,611.72, 751,506.56 and 302,855.20 is: 417,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,611.72 : 751,506.56 = 302,855.20 : x
  2. Step 2: Convert to fraction form
    544,611.72/751,506.56 = 302,855.20/x
  3. Step 3: Cross multiply
    544,611.72x = 751,506.56 × 302,855.20
  4. Step 4: Simplify right side
    544,611.72x = 227,597,669,530.11
  5. Step 5: Solve for x
    x = 227,597,669,530.11/544,611.72
  6. Step 6: Final answer
    x = 417,908.14

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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.