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Finding the Fourth Proportional to 302,515.50, 417,471.39 and 168,376.62

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Solution

The fourth proportional to 302,515.50, 417,471.39 and 168,376.62 is: 232,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515.50 : 417,471.39 = 168,376.62 : x
  2. Step 2: Convert to fraction form
    302,515.50/417,471.39 = 168,376.62/x
  3. Step 3: Cross multiply
    302,515.50x = 417,471.39 × 168,376.62
  4. Step 4: Simplify right side
    302,515.50x = 70,292,421,594.90
  5. Step 5: Solve for x
    x = 70,292,421,594.90/302,515.50
  6. Step 6: Final answer
    x = 232,359.74

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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.