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Finding the Fourth Proportional to 302,366.42, 417,265.73 and 166,400.33

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Solution

The fourth proportional to 302,366.42, 417,265.73 and 166,400.33 is: 229,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,366.42 : 417,265.73 = 166,400.33 : x
  2. Step 2: Convert to fraction form
    302,366.42/417,265.73 = 166,400.33/x
  3. Step 3: Cross multiply
    302,366.42x = 417,265.73 × 166,400.33
  4. Step 4: Simplify right side
    302,366.42x = 69,433,152,875.36
  5. Step 5: Solve for x
    x = 69,433,152,875.36/302,366.42
  6. Step 6: Final answer
    x = 229,632.49

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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.