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Finding the Fourth Proportional to 340,147.04, 510,294.37 and 103,483.57

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Solution

The fourth proportional to 340,147.04, 510,294.37 and 103,483.57 is: 155,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,147.04 : 510,294.37 = 103,483.57 : x
  2. Step 2: Convert to fraction form
    340,147.04/510,294.37 = 103,483.57/x
  3. Step 3: Cross multiply
    340,147.04x = 510,294.37 × 103,483.57
  4. Step 4: Simplify right side
    340,147.04x = 52,807,083,546.56
  5. Step 5: Solve for x
    x = 52,807,083,546.56/340,147.04
  6. Step 6: Final answer
    x = 155,247.81

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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.