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Finding the Fourth Proportional to 395,776.37, 546,230.01 and 250,595.64

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Solution

The fourth proportional to 395,776.37, 546,230.01 and 250,595.64 is: 345,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,776.37 : 546,230.01 = 250,595.64 : x
  2. Step 2: Convert to fraction form
    395,776.37/546,230.01 = 250,595.64/x
  3. Step 3: Cross multiply
    395,776.37x = 546,230.01 × 250,595.64
  4. Step 4: Simplify right side
    395,776.37x = 136,882,858,920.70
  5. Step 5: Solve for x
    x = 136,882,858,920.70/395,776.37
  6. Step 6: Final answer
    x = 345,859.10

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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.