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Finding the Fourth Proportional to 360,935.60, 541,403.40 and 248,961.20

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Solution

The fourth proportional to 360,935.60, 541,403.40 and 248,961.20 is: 373,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,935.60 : 541,403.40 = 248,961.20 : x
  2. Step 2: Convert to fraction form
    360,935.60/541,403.40 = 248,961.20/x
  3. Step 3: Cross multiply
    360,935.60x = 541,403.40 × 248,961.20
  4. Step 4: Simplify right side
    360,935.60x = 134,788,440,148.08
  5. Step 5: Solve for x
    x = 134,788,440,148.08/360,935.60
  6. Step 6: Final answer
    x = 373,441.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.