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Finding the Fourth Proportional to 309,633.45, 464,450.18 and 176,773.20

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Solution

The fourth proportional to 309,633.45, 464,450.18 and 176,773.20 is: 265,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,633.45 : 464,450.18 = 176,773.20 : x
  2. Step 2: Convert to fraction form
    309,633.45/464,450.18 = 176,773.20/x
  3. Step 3: Cross multiply
    309,633.45x = 464,450.18 × 176,773.20
  4. Step 4: Simplify right side
    309,633.45x = 82,102,343,675.31
  5. Step 5: Solve for x
    x = 82,102,343,675.31/309,633.45
  6. Step 6: Final answer
    x = 265,159.80

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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.