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Finding the Fourth Proportional to 897,099, 1,345,908.26 and 266,028.04

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Solution

The fourth proportional to 897,099, 1,345,908.26 and 266,028.04 is: 399,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,099 : 1,345,908.26 = 266,028.04 : x
  2. Step 2: Convert to fraction form
    897,099/1,345,908.26 = 266,028.04/x
  3. Step 3: Cross multiply
    897,099x = 1,345,908.26 × 266,028.04
  4. Step 4: Simplify right side
    897,099x = 358,049,336,427.61
  5. Step 5: Solve for x
    x = 358,049,336,427.61/897,099
  6. Step 6: Final answer
    x = 399,119.09

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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.