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Finding the Fourth Proportional to 1,363,329, 1,881,407.16 and 751,505.31

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Solution

The fourth proportional to 1,363,329, 1,881,407.16 and 751,505.31 is: 1,037,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,329 : 1,881,407.16 = 751,505.31 : x
  2. Step 2: Convert to fraction form
    1,363,329/1,881,407.16 = 751,505.31/x
  3. Step 3: Cross multiply
    1,363,329x = 1,881,407.16 × 751,505.31
  4. Step 4: Simplify right side
    1,363,329x = 1,413,887,471,012.02
  5. Step 5: Solve for x
    x = 1,413,887,471,012.02/1,363,329
  6. Step 6: Final answer
    x = 1,037,084.57

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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.