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Finding the Fourth Proportional to 480,963.06, 663,748.56 and 266,099.64

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Solution

The fourth proportional to 480,963.06, 663,748.56 and 266,099.64 is: 367,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,963.06 : 663,748.56 = 266,099.64 : x
  2. Step 2: Convert to fraction form
    480,963.06/663,748.56 = 266,099.64/x
  3. Step 3: Cross multiply
    480,963.06x = 663,748.56 × 266,099.64
  4. Step 4: Simplify right side
    480,963.06x = 176,623,252,866.52
  5. Step 5: Solve for x
    x = 176,623,252,866.52/480,963.06
  6. Step 6: Final answer
    x = 367,228.31

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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.