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Finding the Fourth Proportional to 480,959.81, 663,744.08 and 266,096.38

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Solution

The fourth proportional to 480,959.81, 663,744.08 and 266,096.38 is: 367,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,959.81 : 663,744.08 = 266,096.38 : x
  2. Step 2: Convert to fraction form
    480,959.81/663,744.08 = 266,096.38/x
  3. Step 3: Cross multiply
    480,959.81x = 663,744.08 × 266,096.38
  4. Step 4: Simplify right side
    480,959.81x = 176,619,892,285.23
  5. Step 5: Solve for x
    x = 176,619,892,285.23/480,959.81
  6. Step 6: Final answer
    x = 367,223.81

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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.