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Finding the Fourth Proportional to 1,452,546, 2,004,513.52 and 816,642

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Solution

The fourth proportional to 1,452,546, 2,004,513.52 and 816,642 is: 1,126,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,546 : 2,004,513.52 = 816,642 : x
  2. Step 2: Convert to fraction form
    1,452,546/2,004,513.52 = 816,642/x
  3. Step 3: Cross multiply
    1,452,546x = 2,004,513.52 × 816,642
  4. Step 4: Simplify right side
    1,452,546x = 1,636,969,929,999.84
  5. Step 5: Solve for x
    x = 1,636,969,929,999.84/1,452,546
  6. Step 6: Final answer
    x = 1,126,965.98

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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.