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Finding the Fourth Proportional to 480,970.56, 663,758.94 and 266,107.14

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Solution

The fourth proportional to 480,970.56, 663,758.94 and 266,107.14 is: 367,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,970.56 : 663,758.94 = 266,107.14 : x
  2. Step 2: Convert to fraction form
    480,970.56/663,758.94 = 266,107.14/x
  3. Step 3: Cross multiply
    480,970.56x = 663,758.94 × 266,107.14
  4. Step 4: Simplify right side
    480,970.56x = 176,630,993,172.83
  5. Step 5: Solve for x
    x = 176,630,993,172.83/480,970.56
  6. Step 6: Final answer
    x = 367,238.68

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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.