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Finding the Fourth Proportional to 897,791.88, 1,346,457.42 and 266,559.24

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Solution

The fourth proportional to 897,791.88, 1,346,457.42 and 266,559.24 is: 399,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,791.88 : 1,346,457.42 = 266,559.24 : x
  2. Step 2: Convert to fraction form
    897,791.88/1,346,457.42 = 266,559.24/x
  3. Step 3: Cross multiply
    897,791.88x = 1,346,457.42 × 266,559.24
  4. Step 4: Simplify right side
    897,791.88x = 358,910,666,567.56
  5. Step 5: Solve for x
    x = 358,910,666,567.56/897,791.88
  6. Step 6: Final answer
    x = 399,770.45

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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.