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Finding the Fourth Proportional to 480,959.56, 663,743.73 and 266,096.13

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Solution

The fourth proportional to 480,959.56, 663,743.73 and 266,096.13 is: 367,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,959.56 : 663,743.73 = 266,096.13 : x
  2. Step 2: Convert to fraction form
    480,959.56/663,743.73 = 266,096.13/x
  3. Step 3: Cross multiply
    480,959.56x = 663,743.73 × 266,096.13
  4. Step 4: Simplify right side
    480,959.56x = 176,619,637,864.77
  5. Step 5: Solve for x
    x = 176,619,637,864.77/480,959.56
  6. Step 6: Final answer
    x = 367,223.47

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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.