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Finding the Fourth Proportional to 348,304, 522,018.72 and 188,373.56

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Solution

The fourth proportional to 348,304, 522,018.72 and 188,373.56 is: 282,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,304 : 522,018.72 = 188,373.56 : x
  2. Step 2: Convert to fraction form
    348,304/522,018.72 = 188,373.56/x
  3. Step 3: Cross multiply
    348,304x = 522,018.72 × 188,373.56
  4. Step 4: Simplify right side
    348,304x = 98,334,524,673.04
  5. Step 5: Solve for x
    x = 98,334,524,673.04/348,304
  6. Step 6: Final answer
    x = 282,323.85

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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.