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Finding the Fourth Proportional to 332,175.70, 498,263.55 and 309,868.30

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Solution

The fourth proportional to 332,175.70, 498,263.55 and 309,868.30 is: 464,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,175.70 : 498,263.55 = 309,868.30 : x
  2. Step 2: Convert to fraction form
    332,175.70/498,263.55 = 309,868.30/x
  3. Step 3: Cross multiply
    332,175.70x = 498,263.55 × 309,868.30
  4. Step 4: Simplify right side
    332,175.70x = 154,396,079,190.47
  5. Step 5: Solve for x
    x = 154,396,079,190.47/332,175.70
  6. Step 6: Final answer
    x = 464,802.45

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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.