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Finding the Fourth Proportional to 369,359.89, 510,137.01 and 248,291.20

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Solution

The fourth proportional to 369,359.89, 510,137.01 and 248,291.20 is: 342,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,359.89 : 510,137.01 = 248,291.20 : x
  2. Step 2: Convert to fraction form
    369,359.89/510,137.01 = 248,291.20/x
  3. Step 3: Cross multiply
    369,359.89x = 510,137.01 × 248,291.20
  4. Step 4: Simplify right side
    369,359.89x = 126,662,530,377.31
  5. Step 5: Solve for x
    x = 126,662,530,377.31/369,359.89
  6. Step 6: Final answer
    x = 342,924.43

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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.