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Finding the Fourth Proportional to 303,525.35, 418,865.60 and 167,559.47

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Solution

The fourth proportional to 303,525.35, 418,865.60 and 167,559.47 is: 231,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,525.35 : 418,865.60 = 167,559.47 : x
  2. Step 2: Convert to fraction form
    303,525.35/418,865.60 = 167,559.47/x
  3. Step 3: Cross multiply
    303,525.35x = 418,865.60 × 167,559.47
  4. Step 4: Simplify right side
    303,525.35x = 70,184,895,005.11
  5. Step 5: Solve for x
    x = 70,184,895,005.11/303,525.35
  6. Step 6: Final answer
    x = 231,232.40

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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.