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Finding the Fourth Proportional to 369,449.85, 509,841.67 and 199,683.98

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Solution

The fourth proportional to 369,449.85, 509,841.67 and 199,683.98 is: 275,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,449.85 : 509,841.67 = 199,683.98 : x
  2. Step 2: Convert to fraction form
    369,449.85/509,841.67 = 199,683.98/x
  3. Step 3: Cross multiply
    369,449.85x = 509,841.67 × 199,683.98
  4. Step 4: Simplify right side
    369,449.85x = 101,807,213,073.34
  5. Step 5: Solve for x
    x = 101,807,213,073.34/369,449.85
  6. Step 6: Final answer
    x = 275,564.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.