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Finding the Fourth Proportional to 532,945.85, 735,507.21 and 303,512.84

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Solution

The fourth proportional to 532,945.85, 735,507.21 and 303,512.84 is: 418,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,945.85 : 735,507.21 = 303,512.84 : x
  2. Step 2: Convert to fraction form
    532,945.85/735,507.21 = 303,512.84/x
  3. Step 3: Cross multiply
    532,945.85x = 735,507.21 × 303,512.84
  4. Step 4: Simplify right side
    532,945.85x = 223,235,882,147.58
  5. Step 5: Solve for x
    x = 223,235,882,147.58/532,945.85
  6. Step 6: Final answer
    x = 418,871.60

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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.