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Finding the Fourth Proportional to 375,968.45, 519,025.46 and 245,205.29

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Solution

The fourth proportional to 375,968.45, 519,025.46 and 245,205.29 is: 338,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,968.45 : 519,025.46 = 245,205.29 : x
  2. Step 2: Convert to fraction form
    375,968.45/519,025.46 = 245,205.29/x
  3. Step 3: Cross multiply
    375,968.45x = 519,025.46 × 245,205.29
  4. Step 4: Simplify right side
    375,968.45x = 127,267,788,508.22
  5. Step 5: Solve for x
    x = 127,267,788,508.22/375,968.45
  6. Step 6: Final answer
    x = 338,506.56

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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.