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Finding the Fourth Proportional to 293,903.84, 405,595.68 and 179,189.12

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Solution

The fourth proportional to 293,903.84, 405,595.68 and 179,189.12 is: 247,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,903.84 : 405,595.68 = 179,189.12 : x
  2. Step 2: Convert to fraction form
    293,903.84/405,595.68 = 179,189.12/x
  3. Step 3: Cross multiply
    293,903.84x = 405,595.68 × 179,189.12
  4. Step 4: Simplify right side
    293,903.84x = 72,678,332,975.00
  5. Step 5: Solve for x
    x = 72,678,332,975.00/293,903.84
  6. Step 6: Final answer
    x = 247,286.10

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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.