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Finding the Fourth Proportional to 339,851.34, 469,006.88 and 186,901.20

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Solution

The fourth proportional to 339,851.34, 469,006.88 and 186,901.20 is: 257,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,851.34 : 469,006.88 = 186,901.20 : x
  2. Step 2: Convert to fraction form
    339,851.34/469,006.88 = 186,901.20/x
  3. Step 3: Cross multiply
    339,851.34x = 469,006.88 × 186,901.20
  4. Step 4: Simplify right side
    339,851.34x = 87,657,947,745.75
  5. Step 5: Solve for x
    x = 87,657,947,745.75/339,851.34
  6. Step 6: Final answer
    x = 257,930.27

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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.