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Finding the Fourth Proportional to 302,655.83, 417,648.69 and 166,663.22

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Solution

The fourth proportional to 302,655.83, 417,648.69 and 166,663.22 is: 229,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,655.83 : 417,648.69 = 166,663.22 : x
  2. Step 2: Convert to fraction form
    302,655.83/417,648.69 = 166,663.22/x
  3. Step 3: Cross multiply
    302,655.83x = 417,648.69 × 166,663.22
  4. Step 4: Simplify right side
    302,655.83x = 69,606,673,415.94
  5. Step 5: Solve for x
    x = 69,606,673,415.94/302,655.83
  6. Step 6: Final answer
    x = 229,986.23

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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.