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Finding the Fourth Proportional to 481,011.48, 663,796.62 and 266,160.60

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Solution

The fourth proportional to 481,011.48, 663,796.62 and 266,160.60 is: 367,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,011.48 : 663,796.62 = 266,160.60 : x
  2. Step 2: Convert to fraction form
    481,011.48/663,796.62 = 266,160.60/x
  3. Step 3: Cross multiply
    481,011.48x = 663,796.62 × 266,160.60
  4. Step 4: Simplify right side
    481,011.48x = 176,676,506,657.17
  5. Step 5: Solve for x
    x = 176,676,506,657.17/481,011.48
  6. Step 6: Final answer
    x = 367,302.06

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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.