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Finding the Fourth Proportional to 671,301.50, 926,399.92 and 365,377.15

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Solution

The fourth proportional to 671,301.50, 926,399.92 and 365,377.15 is: 504,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,301.50 : 926,399.92 = 365,377.15 : x
  2. Step 2: Convert to fraction form
    671,301.50/926,399.92 = 365,377.15/x
  3. Step 3: Cross multiply
    671,301.50x = 926,399.92 × 365,377.15
  4. Step 4: Simplify right side
    671,301.50x = 338,485,362,529.83
  5. Step 5: Solve for x
    x = 338,485,362,529.83/671,301.50
  6. Step 6: Final answer
    x = 504,222.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.