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Finding the Fourth Proportional to 434,693.40, 652,040.10 and 245,736.60

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Solution

The fourth proportional to 434,693.40, 652,040.10 and 245,736.60 is: 368,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,693.40 : 652,040.10 = 245,736.60 : x
  2. Step 2: Convert to fraction form
    434,693.40/652,040.10 = 245,736.60/x
  3. Step 3: Cross multiply
    434,693.40x = 652,040.10 × 245,736.60
  4. Step 4: Simplify right side
    434,693.40x = 160,230,117,237.66
  5. Step 5: Solve for x
    x = 160,230,117,237.66/434,693.40
  6. Step 6: Final answer
    x = 368,604.90

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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.