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Finding the Fourth Proportional to 303,526.85, 418,868.40 and 167,561.92

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Solution

The fourth proportional to 303,526.85, 418,868.40 and 167,561.92 is: 231,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,526.85 : 418,868.40 = 167,561.92 : x
  2. Step 2: Convert to fraction form
    303,526.85/418,868.40 = 167,561.92/x
  3. Step 3: Cross multiply
    303,526.85x = 418,868.40 × 167,561.92
  4. Step 4: Simplify right side
    303,526.85x = 70,186,391,865.25
  5. Step 5: Solve for x
    x = 70,186,391,865.25/303,526.85
  6. Step 6: Final answer
    x = 231,236.19

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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.