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Finding the Fourth Proportional to 562,282.22, 776,074.02 and 388,097.04

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Solution

The fourth proportional to 562,282.22, 776,074.02 and 388,097.04 is: 535,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,282.22 : 776,074.02 = 388,097.04 : x
  2. Step 2: Convert to fraction form
    562,282.22/776,074.02 = 388,097.04/x
  3. Step 3: Cross multiply
    562,282.22x = 776,074.02 × 388,097.04
  4. Step 4: Simplify right side
    562,282.22x = 301,192,029,982.90
  5. Step 5: Solve for x
    x = 301,192,029,982.90/562,282.22
  6. Step 6: Final answer
    x = 535,659.89

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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.