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Finding the Fourth Proportional to 302,777.75, 417,833.31 and 168,641.75

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Solution

The fourth proportional to 302,777.75, 417,833.31 and 168,641.75 is: 232,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,777.75 : 417,833.31 = 168,641.75 : x
  2. Step 2: Convert to fraction form
    302,777.75/417,833.31 = 168,641.75/x
  3. Step 3: Cross multiply
    302,777.75x = 417,833.31 × 168,641.75
  4. Step 4: Simplify right side
    302,777.75x = 70,464,140,606.69
  5. Step 5: Solve for x
    x = 70,464,140,606.69/302,777.75
  6. Step 6: Final answer
    x = 232,725.62

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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.