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Finding the Fourth Proportional to 476,661.80, 713,903.64 and 227,518.76

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Solution

The fourth proportional to 476,661.80, 713,903.64 and 227,518.76 is: 340,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,661.80 : 713,903.64 = 227,518.76 : x
  2. Step 2: Convert to fraction form
    476,661.80/713,903.64 = 227,518.76/x
  3. Step 3: Cross multiply
    476,661.80x = 713,903.64 × 227,518.76
  4. Step 4: Simplify right side
    476,661.80x = 162,426,470,932.29
  5. Step 5: Solve for x
    x = 162,426,470,932.29/476,661.80
  6. Step 6: Final answer
    x = 340,758.31

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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.