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Finding the Fourth Proportional to 500,323.70, 750,507.42 and 163,361.72

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Solution

The fourth proportional to 500,323.70, 750,507.42 and 163,361.72 is: 245,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,323.70 : 750,507.42 = 163,361.72 : x
  2. Step 2: Convert to fraction form
    500,323.70/750,507.42 = 163,361.72/x
  3. Step 3: Cross multiply
    500,323.70x = 750,507.42 × 163,361.72
  4. Step 4: Simplify right side
    500,323.70x = 122,604,183,003.96
  5. Step 5: Solve for x
    x = 122,604,183,003.96/500,323.70
  6. Step 6: Final answer
    x = 245,049.72

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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.