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Finding the Fourth Proportional to 417,674.76, 576,391.73 and 226,688.15

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Solution

The fourth proportional to 417,674.76, 576,391.73 and 226,688.15 is: 312,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,674.76 : 576,391.73 = 226,688.15 : x
  2. Step 2: Convert to fraction form
    417,674.76/576,391.73 = 226,688.15/x
  3. Step 3: Cross multiply
    417,674.76x = 576,391.73 × 226,688.15
  4. Step 4: Simplify right side
    417,674.76x = 130,661,170,933.60
  5. Step 5: Solve for x
    x = 130,661,170,933.60/417,674.76
  6. Step 6: Final answer
    x = 312,829.94

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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.