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Finding the Fourth Proportional to 302,854.80, 417,933.99 and 166,901.34

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Solution

The fourth proportional to 302,854.80, 417,933.99 and 166,901.34 is: 230,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,854.80 : 417,933.99 = 166,901.34 : x
  2. Step 2: Convert to fraction form
    302,854.80/417,933.99 = 166,901.34/x
  3. Step 3: Cross multiply
    302,854.80x = 417,933.99 × 166,901.34
  4. Step 4: Simplify right side
    302,854.80x = 69,753,742,962.55
  5. Step 5: Solve for x
    x = 69,753,742,962.55/302,854.80
  6. Step 6: Final answer
    x = 230,320.74

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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.