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Finding the Fourth Proportional to 716,611.89, 988,956.93 and 444,767.34

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Solution

The fourth proportional to 716,611.89, 988,956.93 and 444,767.34 is: 613,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,611.89 : 988,956.93 = 444,767.34 : x
  2. Step 2: Convert to fraction form
    716,611.89/988,956.93 = 444,767.34/x
  3. Step 3: Cross multiply
    716,611.89x = 988,956.93 × 444,767.34
  4. Step 4: Simplify right side
    716,611.89x = 439,855,743,130.67
  5. Step 5: Solve for x
    x = 439,855,743,130.67/716,611.89
  6. Step 6: Final answer
    x = 613,799.11

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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.