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Finding the Fourth Proportional to 302,860, 417,955.44 and 168,732.64

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Solution

The fourth proportional to 302,860, 417,955.44 and 168,732.64 is: 232,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,860 : 417,955.44 = 168,732.64 : x
  2. Step 2: Convert to fraction form
    302,860/417,955.44 = 168,732.64/x
  3. Step 3: Cross multiply
    302,860x = 417,955.44 × 168,732.64
  4. Step 4: Simplify right side
    302,860x = 70,522,724,793.56
  5. Step 5: Solve for x
    x = 70,522,724,793.56/302,860
  6. Step 6: Final answer
    x = 232,855.86

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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.