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Finding the Fourth Proportional to 966,843.64, 1,334,404.02 and 805,443.04

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Solution

The fourth proportional to 966,843.64, 1,334,404.02 and 805,443.04 is: 1,111,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,843.64 : 1,334,404.02 = 805,443.04 : x
  2. Step 2: Convert to fraction form
    966,843.64/1,334,404.02 = 805,443.04/x
  3. Step 3: Cross multiply
    966,843.64x = 1,334,404.02 × 805,443.04
  4. Step 4: Simplify right side
    966,843.64x = 1,074,786,430,457.02
  5. Step 5: Solve for x
    x = 1,074,786,430,457.02/966,843.64
  6. Step 6: Final answer
    x = 1,111,644.52

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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.