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Finding the Fourth Proportional to 345,483.76, 476,782.38 and 192,522.16

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Solution

The fourth proportional to 345,483.76, 476,782.38 and 192,522.16 is: 265,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,483.76 : 476,782.38 = 192,522.16 : x
  2. Step 2: Convert to fraction form
    345,483.76/476,782.38 = 192,522.16/x
  3. Step 3: Cross multiply
    345,483.76x = 476,782.38 × 192,522.16
  4. Step 4: Simplify right side
    345,483.76x = 91,791,173,647.54
  5. Step 5: Solve for x
    x = 91,791,173,647.54/345,483.76
  6. Step 6: Final answer
    x = 265,688.82

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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.