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Finding the Fourth Proportional to 303,679.92, 455,473.16 and 101,279.58

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Solution

The fourth proportional to 303,679.92, 455,473.16 and 101,279.58 is: 151,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,679.92 : 455,473.16 = 101,279.58 : x
  2. Step 2: Convert to fraction form
    303,679.92/455,473.16 = 101,279.58/x
  3. Step 3: Cross multiply
    303,679.92x = 455,473.16 × 101,279.58
  4. Step 4: Simplify right side
    303,679.92x = 46,130,130,346.07
  5. Step 5: Solve for x
    x = 46,130,130,346.07/303,679.92
  6. Step 6: Final answer
    x = 151,903.79

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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.