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Finding the Fourth Proportional to 302,660.89, 417,666.88 and 166,707.55

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Solution

The fourth proportional to 302,660.89, 417,666.88 and 166,707.55 is: 230,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,660.89 : 417,666.88 = 166,707.55 : x
  2. Step 2: Convert to fraction form
    302,660.89/417,666.88 = 166,707.55/x
  3. Step 3: Cross multiply
    302,660.89x = 417,666.88 × 166,707.55
  4. Step 4: Simplify right side
    302,660.89x = 69,628,223,011.41
  5. Step 5: Solve for x
    x = 69,628,223,011.41/302,660.89
  6. Step 6: Final answer
    x = 230,053.59

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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.