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Finding the Fourth Proportional to 473,380.92, 653,270.88 and 258,527.32

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Solution

The fourth proportional to 473,380.92, 653,270.88 and 258,527.32 is: 356,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,380.92 : 653,270.88 = 258,527.32 : x
  2. Step 2: Convert to fraction form
    473,380.92/653,270.88 = 258,527.32/x
  3. Step 3: Cross multiply
    473,380.92x = 653,270.88 × 258,527.32
  4. Step 4: Simplify right side
    473,380.92x = 168,888,369,840.44
  5. Step 5: Solve for x
    x = 168,888,369,840.44/473,380.92
  6. Step 6: Final answer
    x = 356,770.55

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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.