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Finding the Fourth Proportional to 341,059.40, 511,589.10 and 104,402.60

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Solution

The fourth proportional to 341,059.40, 511,589.10 and 104,402.60 is: 156,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,059.40 : 511,589.10 = 104,402.60 : x
  2. Step 2: Convert to fraction form
    341,059.40/511,589.10 = 104,402.60/x
  3. Step 3: Cross multiply
    341,059.40x = 511,589.10 × 104,402.60
  4. Step 4: Simplify right side
    341,059.40x = 53,411,232,171.66
  5. Step 5: Solve for x
    x = 53,411,232,171.66/341,059.40
  6. Step 6: Final answer
    x = 156,603.90

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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.