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Finding the Fourth Proportional to 573,802.28, 792,013.91 and 382,815.22

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Solution

The fourth proportional to 573,802.28, 792,013.91 and 382,815.22 is: 528,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,802.28 : 792,013.91 = 382,815.22 : x
  2. Step 2: Convert to fraction form
    573,802.28/792,013.91 = 382,815.22/x
  3. Step 3: Cross multiply
    573,802.28x = 792,013.91 × 382,815.22
  4. Step 4: Simplify right side
    573,802.28x = 303,194,973,325.57
  5. Step 5: Solve for x
    x = 303,194,973,325.57/573,802.28
  6. Step 6: Final answer
    x = 528,396.25

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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.