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Finding the Fourth Proportional to 500,331.72, 750,519.44 and 163,369.72

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Solution

The fourth proportional to 500,331.72, 750,519.44 and 163,369.72 is: 245,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,331.72 : 750,519.44 = 163,369.72 : x
  2. Step 2: Convert to fraction form
    500,331.72/750,519.44 = 163,369.72/x
  3. Step 3: Cross multiply
    500,331.72x = 750,519.44 × 163,369.72
  4. Step 4: Simplify right side
    500,331.72x = 122,612,150,767.36
  5. Step 5: Solve for x
    x = 122,612,150,767.36/500,331.72
  6. Step 6: Final answer
    x = 245,061.72

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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.