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Finding the Fourth Proportional to 363,474.15, 545,211.23 and 163,560.98

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Solution

The fourth proportional to 363,474.15, 545,211.23 and 163,560.98 is: 245,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,474.15 : 545,211.23 = 163,560.98 : x
  2. Step 2: Convert to fraction form
    363,474.15/545,211.23 = 163,560.98/x
  3. Step 3: Cross multiply
    363,474.15x = 545,211.23 × 163,560.98
  4. Step 4: Simplify right side
    363,474.15x = 89,175,283,631.03
  5. Step 5: Solve for x
    x = 89,175,283,631.03/363,474.15
  6. Step 6: Final answer
    x = 245,341.48

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1.5x scale

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.