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Finding the Fourth Proportional to 302,349.92, 417,103.29 and 194,954.45

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Solution

The fourth proportional to 302,349.92, 417,103.29 and 194,954.45 is: 268,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,349.92 : 417,103.29 = 194,954.45 : x
  2. Step 2: Convert to fraction form
    302,349.92/417,103.29 = 194,954.45/x
  3. Step 3: Cross multiply
    302,349.92x = 417,103.29 × 194,954.45
  4. Step 4: Simplify right side
    302,349.92x = 81,316,140,409.62
  5. Step 5: Solve for x
    x = 81,316,140,409.62/302,349.92
  6. Step 6: Final answer
    x = 268,947.13

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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.