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Finding the Fourth Proportional to 504,145.74, 756,441.03 and 267,430.38

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Solution

The fourth proportional to 504,145.74, 756,441.03 and 267,430.38 is: 401,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,145.74 : 756,441.03 = 267,430.38 : x
  2. Step 2: Convert to fraction form
    504,145.74/756,441.03 = 267,430.38/x
  3. Step 3: Cross multiply
    504,145.74x = 756,441.03 × 267,430.38
  4. Step 4: Simplify right side
    504,145.74x = 202,295,312,100.49
  5. Step 5: Solve for x
    x = 202,295,312,100.49/504,145.74
  6. Step 6: Final answer
    x = 401,263.56

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Similar ratio
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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.