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Finding the Fourth Proportional to 1,782,613.12, 2,459,999 and 966,813.52

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Solution

The fourth proportional to 1,782,613.12, 2,459,999 and 966,813.52 is: 1,334,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,613.12 : 2,459,999 = 966,813.52 : x
  2. Step 2: Convert to fraction form
    1,782,613.12/2,459,999 = 966,813.52/x
  3. Step 3: Cross multiply
    1,782,613.12x = 2,459,999 × 966,813.52
  4. Step 4: Simplify right side
    1,782,613.12x = 2,378,360,292,386.48
  5. Step 5: Solve for x
    x = 2,378,360,292,386.48/1,782,613.12
  6. Step 6: Final answer
    x = 1,334,198.80

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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.