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Finding the Fourth Proportional to 293,077.99, 439,555.44 and 82,666.72

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Solution

The fourth proportional to 293,077.99, 439,555.44 and 82,666.72 is: 123,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,077.99 : 439,555.44 = 82,666.72 : x
  2. Step 2: Convert to fraction form
    293,077.99/439,555.44 = 82,666.72/x
  3. Step 3: Cross multiply
    293,077.99x = 439,555.44 × 82,666.72
  4. Step 4: Simplify right side
    293,077.99x = 36,336,606,482.96
  5. Step 5: Solve for x
    x = 36,336,606,482.96/293,077.99
  6. Step 6: Final answer
    x = 123,982.72

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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.