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Finding the Fourth Proportional to 562,984.80, 844,532.64 and 163,629.06

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Solution

The fourth proportional to 562,984.80, 844,532.64 and 163,629.06 is: 245,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,984.80 : 844,532.64 = 163,629.06 : x
  2. Step 2: Convert to fraction form
    562,984.80/844,532.64 = 163,629.06/x
  3. Step 3: Cross multiply
    562,984.80x = 844,532.64 × 163,629.06
  4. Step 4: Simplify right side
    562,984.80x = 138,190,082,022.52
  5. Step 5: Solve for x
    x = 138,190,082,022.52/562,984.80
  6. Step 6: Final answer
    x = 245,459.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.