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Finding the Fourth Proportional to 339,462.90, 468,466.23 and 186,503.06

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Solution

The fourth proportional to 339,462.90, 468,466.23 and 186,503.06 is: 257,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,462.90 : 468,466.23 = 186,503.06 : x
  2. Step 2: Convert to fraction form
    339,462.90/468,466.23 = 186,503.06/x
  3. Step 3: Cross multiply
    339,462.90x = 468,466.23 × 186,503.06
  4. Step 4: Simplify right side
    339,462.90x = 87,370,385,401.66
  5. Step 5: Solve for x
    x = 87,370,385,401.66/339,462.90
  6. Step 6: Final answer
    x = 257,378.30

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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.