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Finding the Fourth Proportional to 283,160.00, 424,241.75 and 266,303.36

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Solution

The fourth proportional to 283,160.00, 424,241.75 and 266,303.36 is: 398,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,160.00 : 424,241.75 = 266,303.36 : x
  2. Step 2: Convert to fraction form
    283,160.00/424,241.75 = 266,303.36/x
  3. Step 3: Cross multiply
    283,160.00x = 424,241.75 × 266,303.36
  4. Step 4: Simplify right side
    283,160.00x = 112,977,005,203.64
  5. Step 5: Solve for x
    x = 112,977,005,203.64/283,160.00
  6. Step 6: Final answer
    x = 398,986.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.