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Finding the Fourth Proportional to 1,150,866, 1,588,349 and 661,028.24

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Solution

The fourth proportional to 1,150,866, 1,588,349 and 661,028.24 is: 912,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,866 : 1,588,349 = 661,028.24 : x
  2. Step 2: Convert to fraction form
    1,150,866/1,588,349 = 661,028.24/x
  3. Step 3: Cross multiply
    1,150,866x = 1,588,349 × 661,028.24
  4. Step 4: Simplify right side
    1,150,866x = 1,049,943,543,975.76
  5. Step 5: Solve for x
    x = 1,049,943,543,975.76/1,150,866
  6. Step 6: Final answer
    x = 912,307.38

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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.