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Finding the Fourth Proportional to 473,380.62, 653,261.81 and 258,520.62

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Solution

The fourth proportional to 473,380.62, 653,261.81 and 258,520.62 is: 356,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,380.62 : 653,261.81 = 258,520.62 : x
  2. Step 2: Convert to fraction form
    473,380.62/653,261.81 = 258,520.62/x
  3. Step 3: Cross multiply
    473,380.62x = 653,261.81 × 258,520.62
  4. Step 4: Simplify right side
    473,380.62x = 168,881,646,850.92
  5. Step 5: Solve for x
    x = 168,881,646,850.92/473,380.62
  6. Step 6: Final answer
    x = 356,756.57

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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.