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Finding the Fourth Proportional to 302,997.83, 418,139.91 and 167,037.08

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Solution

The fourth proportional to 302,997.83, 418,139.91 and 167,037.08 is: 230,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,997.83 : 418,139.91 = 167,037.08 : x
  2. Step 2: Convert to fraction form
    302,997.83/418,139.91 = 167,037.08/x
  3. Step 3: Cross multiply
    302,997.83x = 418,139.91 × 167,037.08
  4. Step 4: Simplify right side
    302,997.83x = 69,844,867,507.16
  5. Step 5: Solve for x
    x = 69,844,867,507.16/302,997.83
  6. Step 6: Final answer
    x = 230,512.77

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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.