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Finding the Fourth Proportional to 417,477.96, 576,119.78 and 226,491.32

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Solution

The fourth proportional to 417,477.96, 576,119.78 and 226,491.32 is: 312,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,477.96 : 576,119.78 = 226,491.32 : x
  2. Step 2: Convert to fraction form
    417,477.96/576,119.78 = 226,491.32/x
  3. Step 3: Cross multiply
    417,477.96x = 576,119.78 × 226,491.32
  4. Step 4: Simplify right side
    417,477.96x = 130,486,129,450.31
  5. Step 5: Solve for x
    x = 130,486,129,450.31/417,477.96
  6. Step 6: Final answer
    x = 312,558.13

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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.