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Finding the Fourth Proportional to 481,567.16, 664,562.39 and 266,707.01

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Solution

The fourth proportional to 481,567.16, 664,562.39 and 266,707.01 is: 368,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,567.16 : 664,562.39 = 266,707.01 : x
  2. Step 2: Convert to fraction form
    481,567.16/664,562.39 = 266,707.01/x
  3. Step 3: Cross multiply
    481,567.16x = 664,562.39 × 266,707.01
  4. Step 4: Simplify right side
    481,567.16x = 177,243,443,339.01
  5. Step 5: Solve for x
    x = 177,243,443,339.01/481,567.16
  6. Step 6: Final answer
    x = 368,055.51

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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.