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Finding the Fourth Proportional to 370,013.34, 554,919.21 and 103,757.34

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Solution

The fourth proportional to 370,013.34, 554,919.21 and 103,757.34 is: 155,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,013.34 : 554,919.21 = 103,757.34 : x
  2. Step 2: Convert to fraction form
    370,013.34/554,919.21 = 103,757.34/x
  3. Step 3: Cross multiply
    370,013.34x = 554,919.21 × 103,757.34
  4. Step 4: Simplify right side
    370,013.34x = 57,576,941,144.50
  5. Step 5: Solve for x
    x = 57,576,941,144.50/370,013.34
  6. Step 6: Final answer
    x = 155,607.74

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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.