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Finding the Fourth Proportional to 293,628.96, 440,389.80 and 133,666.92

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Solution

The fourth proportional to 293,628.96, 440,389.80 and 133,666.92 is: 200,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,628.96 : 440,389.80 = 133,666.92 : x
  2. Step 2: Convert to fraction form
    293,628.96/440,389.80 = 133,666.92/x
  3. Step 3: Cross multiply
    293,628.96x = 440,389.80 × 133,666.92
  4. Step 4: Simplify right side
    293,628.96x = 58,865,548,165.42
  5. Step 5: Solve for x
    x = 58,865,548,165.42/293,628.96
  6. Step 6: Final answer
    x = 200,475.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.