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Finding the Fourth Proportional to 302,790.52, 417,869.58 and 168,654.52

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Solution

The fourth proportional to 302,790.52, 417,869.58 and 168,654.52 is: 232,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,790.52 : 417,869.58 = 168,654.52 : x
  2. Step 2: Convert to fraction form
    302,790.52/417,869.58 = 168,654.52/x
  3. Step 3: Cross multiply
    302,790.52x = 417,869.58 × 168,654.52
  4. Step 4: Simplify right side
    302,790.52x = 70,475,593,437.50
  5. Step 5: Solve for x
    x = 70,475,593,437.50/302,790.52
  6. Step 6: Final answer
    x = 232,753.63

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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.