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Finding the Fourth Proportional to 417,792.72, 576,555.12 and 226,806.96

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Solution

The fourth proportional to 417,792.72, 576,555.12 and 226,806.96 is: 312,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,792.72 : 576,555.12 = 226,806.96 : x
  2. Step 2: Convert to fraction form
    417,792.72/576,555.12 = 226,806.96/x
  3. Step 3: Cross multiply
    417,792.72x = 576,555.12 × 226,806.96
  4. Step 4: Simplify right side
    417,792.72x = 130,766,714,039.64
  5. Step 5: Solve for x
    x = 130,766,714,039.64/417,792.72
  6. Step 6: Final answer
    x = 312,994.24

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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.