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Finding the Fourth Proportional to 493,461.45, 740,081.46 and 226,965.93

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Solution

The fourth proportional to 493,461.45, 740,081.46 and 226,965.93 is: 340,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,461.45 : 740,081.46 = 226,965.93 : x
  2. Step 2: Convert to fraction form
    493,461.45/740,081.46 = 226,965.93/x
  3. Step 3: Cross multiply
    493,461.45x = 740,081.46 × 226,965.93
  4. Step 4: Simplify right side
    493,461.45x = 167,973,277,806.75
  5. Step 5: Solve for x
    x = 167,973,277,806.75/493,461.45
  6. Step 6: Final answer
    x = 340,397.97

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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.