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Finding the Fourth Proportional to 375,939.96, 564,130.26 and 151,265.40

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Solution

The fourth proportional to 375,939.96, 564,130.26 and 151,265.40 is: 226,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,939.96 : 564,130.26 = 151,265.40 : x
  2. Step 2: Convert to fraction form
    375,939.96/564,130.26 = 151,265.40/x
  3. Step 3: Cross multiply
    375,939.96x = 564,130.26 × 151,265.40
  4. Step 4: Simplify right side
    375,939.96x = 85,333,389,431.00
  5. Step 5: Solve for x
    x = 85,333,389,431.00/375,939.96
  6. Step 6: Final answer
    x = 226,986.75

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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.